Home / 87,824.26-131,750.16-28,646.27

Finding the Fourth Proportional to 87,824.26, 131,750.16 and 28,646.27

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Solution

The fourth proportional to 87,824.26, 131,750.16 and 28,646.27 is: 42,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.26 : 131,750.16 = 28,646.27 : x
  2. Step 2: Convert to fraction form
    87,824.26/131,750.16 = 28,646.27/x
  3. Step 3: Cross multiply
    87,824.26x = 131,750.16 × 28,646.27
  4. Step 4: Simplify right side
    87,824.26x = 3,774,149,997.15
  5. Step 5: Solve for x
    x = 3,774,149,997.15/87,824.26
  6. Step 6: Final answer
    x = 42,973.89

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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.