Home / 99,004.38-148,472-39,824.70

Finding the Fourth Proportional to 99,004.38, 148,472 and 39,824.70

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Solution

The fourth proportional to 99,004.38, 148,472 and 39,824.70 is: 59,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.38 : 148,472 = 39,824.70 : x
  2. Step 2: Convert to fraction form
    99,004.38/148,472 = 39,824.70/x
  3. Step 3: Cross multiply
    99,004.38x = 148,472 × 39,824.70
  4. Step 4: Simplify right side
    99,004.38x = 5,912,852,858.40
  5. Step 5: Solve for x
    x = 5,912,852,858.40/99,004.38
  6. Step 6: Final answer
    x = 59,723.14

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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.