Home / 84,113.04-116,076.11-45,872.67

Finding the Fourth Proportional to 84,113.04, 116,076.11 and 45,872.67

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Solution

The fourth proportional to 84,113.04, 116,076.11 and 45,872.67 is: 63,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,113.04 : 116,076.11 = 45,872.67 : x
  2. Step 2: Convert to fraction form
    84,113.04/116,076.11 = 45,872.67/x
  3. Step 3: Cross multiply
    84,113.04x = 116,076.11 × 45,872.67
  4. Step 4: Simplify right side
    84,113.04x = 5,324,720,859.55
  5. Step 5: Solve for x
    x = 5,324,720,859.55/84,113.04
  6. Step 6: Final answer
    x = 63,304.34

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Half scale
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Double scale
Find fourth proportional to 84,114.04, 116,077.49 and 45,873.67
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.