Home / 99,542.85-137,359.17-61,296.27

Finding the Fourth Proportional to 99,542.85, 137,359.17 and 61,296.27

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Solution

The fourth proportional to 99,542.85, 137,359.17 and 61,296.27 is: 84,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,542.85 : 137,359.17 = 61,296.27 : x
  2. Step 2: Convert to fraction form
    99,542.85/137,359.17 = 61,296.27/x
  3. Step 3: Cross multiply
    99,542.85x = 137,359.17 × 61,296.27
  4. Step 4: Simplify right side
    99,542.85x = 8,419,604,771.30
  5. Step 5: Solve for x
    x = 8,419,604,771.30/99,542.85
  6. Step 6: Final answer
    x = 84,582.72

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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.