Home / 113,689.17-156,892.14-62,703.86

Finding the Fourth Proportional to 113,689.17, 156,892.14 and 62,703.86

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Solution

The fourth proportional to 113,689.17, 156,892.14 and 62,703.86 is: 86,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,689.17 : 156,892.14 = 62,703.86 : x
  2. Step 2: Convert to fraction form
    113,689.17/156,892.14 = 62,703.86/x
  3. Step 3: Cross multiply
    113,689.17x = 156,892.14 × 62,703.86
  4. Step 4: Simplify right side
    113,689.17x = 9,837,741,997.20
  5. Step 5: Solve for x
    x = 9,837,741,997.20/113,689.17
  6. Step 6: Final answer
    x = 86,531.92

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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.