Home / 87,548.24-131,111.92-49,994.61

Finding the Fourth Proportional to 87,548.24, 131,111.92 and 49,994.61

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Solution

The fourth proportional to 87,548.24, 131,111.92 and 49,994.61 is: 74,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548.24 : 131,111.92 = 49,994.61 : x
  2. Step 2: Convert to fraction form
    87,548.24/131,111.92 = 49,994.61/x
  3. Step 3: Cross multiply
    87,548.24x = 131,111.92 × 49,994.61
  4. Step 4: Simplify right side
    87,548.24x = 6,554,889,306.75
  5. Step 5: Solve for x
    x = 6,554,889,306.75/87,548.24
  6. Step 6: Final answer
    x = 74,871.74

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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.