Home / 108,074.27-149,141.92-62,763.39

Finding the Fourth Proportional to 108,074.27, 149,141.92 and 62,763.39

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Solution

The fourth proportional to 108,074.27, 149,141.92 and 62,763.39 is: 86,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,074.27 : 149,141.92 = 62,763.39 : x
  2. Step 2: Convert to fraction form
    108,074.27/149,141.92 = 62,763.39/x
  3. Step 3: Cross multiply
    108,074.27x = 149,141.92 × 62,763.39
  4. Step 4: Simplify right side
    108,074.27x = 9,360,652,490.31
  5. Step 5: Solve for x
    x = 9,360,652,490.31/108,074.27
  6. Step 6: Final answer
    x = 86,613.15

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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.