Home / 87,885.17-131,847.33-48,421.97

Finding the Fourth Proportional to 87,885.17, 131,847.33 and 48,421.97

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Solution

The fourth proportional to 87,885.17, 131,847.33 and 48,421.97 is: 72,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,885.17 : 131,847.33 = 48,421.97 : x
  2. Step 2: Convert to fraction form
    87,885.17/131,847.33 = 48,421.97/x
  3. Step 3: Cross multiply
    87,885.17x = 131,847.33 × 48,421.97
  4. Step 4: Simplify right side
    87,885.17x = 6,384,306,798.60
  5. Step 5: Solve for x
    x = 6,384,306,798.60/87,885.17
  6. Step 6: Final answer
    x = 72,643.74

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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.