Home / 74,525.28-111,805.19-39,005.89

Finding the Fourth Proportional to 74,525.28, 111,805.19 and 39,005.89

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Solution

The fourth proportional to 74,525.28, 111,805.19 and 39,005.89 is: 58,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,525.28 : 111,805.19 = 39,005.89 : x
  2. Step 2: Convert to fraction form
    74,525.28/111,805.19 = 39,005.89/x
  3. Step 3: Cross multiply
    74,525.28x = 111,805.19 × 39,005.89
  4. Step 4: Simplify right side
    74,525.28x = 4,361,060,942.57
  5. Step 5: Solve for x
    x = 4,361,060,942.57/74,525.28
  6. Step 6: Final answer
    x = 58,517.87

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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.