Home / 91,782.24-137,687.76-39,192

Finding the Fourth Proportional to 91,782.24, 137,687.76 and 39,192

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Solution

The fourth proportional to 91,782.24, 137,687.76 and 39,192 is: 58,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782.24 : 137,687.76 = 39,192 : x
  2. Step 2: Convert to fraction form
    91,782.24/137,687.76 = 39,192/x
  3. Step 3: Cross multiply
    91,782.24x = 137,687.76 × 39,192
  4. Step 4: Simplify right side
    91,782.24x = 5,396,258,689.92
  5. Step 5: Solve for x
    x = 5,396,258,689.92/91,782.24
  6. Step 6: Final answer
    x = 58,794.15

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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.