Home / 113,512.29-156,542.52-74,733.74

Finding the Fourth Proportional to 113,512.29, 156,542.52 and 74,733.74

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Solution

The fourth proportional to 113,512.29, 156,542.52 and 74,733.74 is: 103,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,512.29 : 156,542.52 = 74,733.74 : x
  2. Step 2: Convert to fraction form
    113,512.29/156,542.52 = 74,733.74/x
  3. Step 3: Cross multiply
    113,512.29x = 156,542.52 × 74,733.74
  4. Step 4: Simplify right side
    113,512.29x = 11,699,008,073.20
  5. Step 5: Solve for x
    x = 11,699,008,073.20/113,512.29
  6. Step 6: Final answer
    x = 103,063.80

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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.