Home / 87,455.83-131,073.01-55,853.68

Finding the Fourth Proportional to 87,455.83, 131,073.01 and 55,853.68

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Solution

The fourth proportional to 87,455.83, 131,073.01 and 55,853.68 is: 83,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.83 : 131,073.01 = 55,853.68 : x
  2. Step 2: Convert to fraction form
    87,455.83/131,073.01 = 55,853.68/x
  3. Step 3: Cross multiply
    87,455.83x = 131,073.01 × 55,853.68
  4. Step 4: Simplify right side
    87,455.83x = 7,320,909,957.18
  5. Step 5: Solve for x
    x = 7,320,909,957.18/87,455.83
  6. Step 6: Final answer
    x = 83,709.80

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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.