Home / 87,551.40-131,024.70-52,516.20

Finding the Fourth Proportional to 87,551.40, 131,024.70 and 52,516.20

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Solution

The fourth proportional to 87,551.40, 131,024.70 and 52,516.20 is: 78,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.40 : 131,024.70 = 52,516.20 : x
  2. Step 2: Convert to fraction form
    87,551.40/131,024.70 = 52,516.20/x
  3. Step 3: Cross multiply
    87,551.40x = 131,024.70 × 52,516.20
  4. Step 4: Simplify right side
    87,551.40x = 6,880,919,350.14
  5. Step 5: Solve for x
    x = 6,880,919,350.14/87,551.40
  6. Step 6: Final answer
    x = 78,592.91

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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.