Home / 87,684.28-131,559.56-52,648.36

Finding the Fourth Proportional to 87,684.28, 131,559.56 and 52,648.36

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Solution

The fourth proportional to 87,684.28, 131,559.56 and 52,648.36 is: 78,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,684.28 : 131,559.56 = 52,648.36 : x
  2. Step 2: Convert to fraction form
    87,684.28/131,559.56 = 52,648.36/x
  3. Step 3: Cross multiply
    87,684.28x = 131,559.56 × 52,648.36
  4. Step 4: Simplify right side
    87,684.28x = 6,926,395,076.32
  5. Step 5: Solve for x
    x = 6,926,395,076.32/87,684.28
  6. Step 6: Final answer
    x = 78,992.44

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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.