Home / 84,549.92-116,679-48,742.35

Finding the Fourth Proportional to 84,549.92, 116,679 and 48,742.35

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Solution

The fourth proportional to 84,549.92, 116,679 and 48,742.35 is: 67,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,549.92 : 116,679 = 48,742.35 : x
  2. Step 2: Convert to fraction form
    84,549.92/116,679 = 48,742.35/x
  3. Step 3: Cross multiply
    84,549.92x = 116,679 × 48,742.35
  4. Step 4: Simplify right side
    84,549.92x = 5,687,208,655.65
  5. Step 5: Solve for x
    x = 5,687,208,655.65/84,549.92
  6. Step 6: Final answer
    x = 67,264.51

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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.