Home / 87,232.25-130,765.28-28,026.37

Finding the Fourth Proportional to 87,232.25, 130,765.28 and 28,026.37

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Solution

The fourth proportional to 87,232.25, 130,765.28 and 28,026.37 is: 42,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232.25 : 130,765.28 = 28,026.37 : x
  2. Step 2: Convert to fraction form
    87,232.25/130,765.28 = 28,026.37/x
  3. Step 3: Cross multiply
    87,232.25x = 130,765.28 × 28,026.37
  4. Step 4: Simplify right side
    87,232.25x = 3,664,876,120.43
  5. Step 5: Solve for x
    x = 3,664,876,120.43/87,232.25
  6. Step 6: Final answer
    x = 42,012.86

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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.