Home / 87,565.20-131,347.80-50,701.20

Finding the Fourth Proportional to 87,565.20, 131,347.80 and 50,701.20

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Solution

The fourth proportional to 87,565.20, 131,347.80 and 50,701.20 is: 76,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,565.20 : 131,347.80 = 50,701.20 : x
  2. Step 2: Convert to fraction form
    87,565.20/131,347.80 = 50,701.20/x
  3. Step 3: Cross multiply
    87,565.20x = 131,347.80 × 50,701.20
  4. Step 4: Simplify right side
    87,565.20x = 6,659,491,077.36
  5. Step 5: Solve for x
    x = 6,659,491,077.36/87,565.20
  6. Step 6: Final answer
    x = 76,051.80

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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.