Home / 123,631.13-185,430.08-34,891.76

Finding the Fourth Proportional to 123,631.13, 185,430.08 and 34,891.76

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Solution

The fourth proportional to 123,631.13, 185,430.08 and 34,891.76 is: 52,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,631.13 : 185,430.08 = 34,891.76 : x
  2. Step 2: Convert to fraction form
    123,631.13/185,430.08 = 34,891.76/x
  3. Step 3: Cross multiply
    123,631.13x = 185,430.08 × 34,891.76
  4. Step 4: Simplify right side
    123,631.13x = 6,469,981,008.22
  5. Step 5: Solve for x
    x = 6,469,981,008.22/123,631.13
  6. Step 6: Final answer
    x = 52,332.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.