Home / 87,943.68-132,092.02-52,474.20

Finding the Fourth Proportional to 87,943.68, 132,092.02 and 52,474.20

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Solution

The fourth proportional to 87,943.68, 132,092.02 and 52,474.20 is: 78,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,943.68 : 132,092.02 = 52,474.20 : x
  2. Step 2: Convert to fraction form
    87,943.68/132,092.02 = 52,474.20/x
  3. Step 3: Cross multiply
    87,943.68x = 132,092.02 × 52,474.20
  4. Step 4: Simplify right side
    87,943.68x = 6,931,423,075.88
  5. Step 5: Solve for x
    x = 6,931,423,075.88/87,943.68
  6. Step 6: Final answer
    x = 78,816.61

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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.