Home / 87,827.90-131,569.05-52,663.10

Finding the Fourth Proportional to 87,827.90, 131,569.05 and 52,663.10

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Solution

The fourth proportional to 87,827.90, 131,569.05 and 52,663.10 is: 78,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.90 : 131,569.05 = 52,663.10 : x
  2. Step 2: Convert to fraction form
    87,827.90/131,569.05 = 52,663.10/x
  3. Step 3: Cross multiply
    87,827.90x = 131,569.05 × 52,663.10
  4. Step 4: Simplify right side
    87,827.90x = 6,928,834,037.06
  5. Step 5: Solve for x
    x = 6,928,834,037.06/87,827.90
  6. Step 6: Final answer
    x = 78,891.04

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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.