Home / 87,650.28-131,508.54-52,614.36

Finding the Fourth Proportional to 87,650.28, 131,508.54 and 52,614.36

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Solution

The fourth proportional to 87,650.28, 131,508.54 and 52,614.36 is: 78,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650.28 : 131,508.54 = 52,614.36 : x
  2. Step 2: Convert to fraction form
    87,650.28/131,508.54 = 52,614.36/x
  3. Step 3: Cross multiply
    87,650.28x = 131,508.54 × 52,614.36
  4. Step 4: Simplify right side
    87,650.28x = 6,919,237,666.63
  5. Step 5: Solve for x
    x = 6,919,237,666.63/87,650.28
  6. Step 6: Final answer
    x = 78,941.42

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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.