Home / 108,366.43-149,542.28-59,965.43

Finding the Fourth Proportional to 108,366.43, 149,542.28 and 59,965.43

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Solution

The fourth proportional to 108,366.43, 149,542.28 and 59,965.43 is: 82,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,366.43 : 149,542.28 = 59,965.43 : x
  2. Step 2: Convert to fraction form
    108,366.43/149,542.28 = 59,965.43/x
  3. Step 3: Cross multiply
    108,366.43x = 149,542.28 × 59,965.43
  4. Step 4: Simplify right side
    108,366.43x = 8,967,367,123.38
  5. Step 5: Solve for x
    x = 8,967,367,123.38/108,366.43
  6. Step 6: Final answer
    x = 82,750.42

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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.