Home / 123,349.92-185,082.24-39,123.36

Finding the Fourth Proportional to 123,349.92, 185,082.24 and 39,123.36

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Solution

The fourth proportional to 123,349.92, 185,082.24 and 39,123.36 is: 58,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,349.92 : 185,082.24 = 39,123.36 : x
  2. Step 2: Convert to fraction form
    123,349.92/185,082.24 = 39,123.36/x
  3. Step 3: Cross multiply
    123,349.92x = 185,082.24 × 39,123.36
  4. Step 4: Simplify right side
    123,349.92x = 7,241,039,105.13
  5. Step 5: Solve for x
    x = 7,241,039,105.13/123,349.92
  6. Step 6: Final answer
    x = 58,703.23

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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.