Home / 113,626.18-156,805.26-62,640.88

Finding the Fourth Proportional to 113,626.18, 156,805.26 and 62,640.88

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Solution

The fourth proportional to 113,626.18, 156,805.26 and 62,640.88 is: 86,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,626.18 : 156,805.26 = 62,640.88 : x
  2. Step 2: Convert to fraction form
    113,626.18/156,805.26 = 62,640.88/x
  3. Step 3: Cross multiply
    113,626.18x = 156,805.26 × 62,640.88
  4. Step 4: Simplify right side
    113,626.18x = 9,822,419,475.03
  5. Step 5: Solve for x
    x = 9,822,419,475.03/113,626.18
  6. Step 6: Final answer
    x = 86,445.04

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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.