Home / 84,240.21-116,223.50-55,574.11

Finding the Fourth Proportional to 84,240.21, 116,223.50 and 55,574.11

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Solution

The fourth proportional to 84,240.21, 116,223.50 and 55,574.11 is: 76,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240.21 : 116,223.50 = 55,574.11 : x
  2. Step 2: Convert to fraction form
    84,240.21/116,223.50 = 55,574.11/x
  3. Step 3: Cross multiply
    84,240.21x = 116,223.50 × 55,574.11
  4. Step 4: Simplify right side
    84,240.21x = 6,459,017,573.59
  5. Step 5: Solve for x
    x = 6,459,017,573.59/84,240.21
  6. Step 6: Final answer
    x = 76,673.81

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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.