Home / 123,332.53-185,022.12-39,113.92

Finding the Fourth Proportional to 123,332.53, 185,022.12 and 39,113.92

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Solution

The fourth proportional to 123,332.53, 185,022.12 and 39,113.92 is: 58,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.53 : 185,022.12 = 39,113.92 : x
  2. Step 2: Convert to fraction form
    123,332.53/185,022.12 = 39,113.92/x
  3. Step 3: Cross multiply
    123,332.53x = 185,022.12 × 39,113.92
  4. Step 4: Simplify right side
    123,332.53x = 7,236,940,399.91
  5. Step 5: Solve for x
    x = 7,236,940,399.91/123,332.53
  6. Step 6: Final answer
    x = 58,678.28

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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.