Home / 123,650.91-185,474.30-39,409.92

Finding the Fourth Proportional to 123,650.91, 185,474.30 and 39,409.92

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Solution

The fourth proportional to 123,650.91, 185,474.30 and 39,409.92 is: 59,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,650.91 : 185,474.30 = 39,409.92 : x
  2. Step 2: Convert to fraction form
    123,650.91/185,474.30 = 39,409.92/x
  3. Step 3: Cross multiply
    123,650.91x = 185,474.30 × 39,409.92
  4. Step 4: Simplify right side
    123,650.91x = 7,309,527,128.01
  5. Step 5: Solve for x
    x = 7,309,527,128.01/123,650.91
  6. Step 6: Final answer
    x = 59,114.22

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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.