Home / 123,732.18-185,608.68-39,504.36

Finding the Fourth Proportional to 123,732.18, 185,608.68 and 39,504.36

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Solution

The fourth proportional to 123,732.18, 185,608.68 and 39,504.36 is: 59,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,732.18 : 185,608.68 = 39,504.36 : x
  2. Step 2: Convert to fraction form
    123,732.18/185,608.68 = 39,504.36/x
  3. Step 3: Cross multiply
    123,732.18x = 185,608.68 × 39,504.36
  4. Step 4: Simplify right side
    123,732.18x = 7,332,352,113.84
  5. Step 5: Solve for x
    x = 7,332,352,113.84/123,732.18
  6. Step 6: Final answer
    x = 59,259.86

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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.