Home / 87,701.28-131,363.16-59,466.48

Finding the Fourth Proportional to 87,701.28, 131,363.16 and 59,466.48

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Solution

The fourth proportional to 87,701.28, 131,363.16 and 59,466.48 is: 89,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.28 : 131,363.16 = 59,466.48 : x
  2. Step 2: Convert to fraction form
    87,701.28/131,363.16 = 59,466.48/x
  3. Step 3: Cross multiply
    87,701.28x = 131,363.16 × 59,466.48
  4. Step 4: Simplify right side
    87,701.28x = 7,811,704,726.88
  5. Step 5: Solve for x
    x = 7,811,704,726.88/87,701.28
  6. Step 6: Final answer
    x = 89,071.73

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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.