Home / 113,626.29-156,805.39-62,641.02

Finding the Fourth Proportional to 113,626.29, 156,805.39 and 62,641.02

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Solution

The fourth proportional to 113,626.29, 156,805.39 and 62,641.02 is: 86,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,626.29 : 156,805.39 = 62,641.02 : x
  2. Step 2: Convert to fraction form
    113,626.29/156,805.39 = 62,641.02/x
  3. Step 3: Cross multiply
    113,626.29x = 156,805.39 × 62,641.02
  4. Step 4: Simplify right side
    113,626.29x = 9,822,449,571.10
  5. Step 5: Solve for x
    x = 9,822,449,571.10/113,626.29
  6. Step 6: Final answer
    x = 86,445.22

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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.