Home / 87,943.84-132,092.20-52,474.42

Finding the Fourth Proportional to 87,943.84, 132,092.20 and 52,474.42

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Solution

The fourth proportional to 87,943.84, 132,092.20 and 52,474.42 is: 78,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,943.84 : 132,092.20 = 52,474.42 : x
  2. Step 2: Convert to fraction form
    87,943.84/132,092.20 = 52,474.42/x
  3. Step 3: Cross multiply
    87,943.84x = 132,092.20 × 52,474.42
  4. Step 4: Simplify right side
    87,943.84x = 6,931,461,581.52
  5. Step 5: Solve for x
    x = 6,931,461,581.52/87,943.84
  6. Step 6: Final answer
    x = 78,816.91

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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.