Home / 113,614.79-156,781.28-62,627.92

Finding the Fourth Proportional to 113,614.79, 156,781.28 and 62,627.92

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Solution

The fourth proportional to 113,614.79, 156,781.28 and 62,627.92 is: 86,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,614.79 : 156,781.28 = 62,627.92 : x
  2. Step 2: Convert to fraction form
    113,614.79/156,781.28 = 62,627.92/x
  3. Step 3: Cross multiply
    113,614.79x = 156,781.28 × 62,627.92
  4. Step 4: Simplify right side
    113,614.79x = 9,818,885,225.95
  5. Step 5: Solve for x
    x = 9,818,885,225.95/113,614.79
  6. Step 6: Final answer
    x = 86,422.60

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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.