Home / 87,523.74-131,297.76-28,340.28

Finding the Fourth Proportional to 87,523.74, 131,297.76 and 28,340.28

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Solution

The fourth proportional to 87,523.74, 131,297.76 and 28,340.28 is: 42,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.74 : 131,297.76 = 28,340.28 : x
  2. Step 2: Convert to fraction form
    87,523.74/131,297.76 = 28,340.28/x
  3. Step 3: Cross multiply
    87,523.74x = 131,297.76 × 28,340.28
  4. Step 4: Simplify right side
    87,523.74x = 3,721,015,281.77
  5. Step 5: Solve for x
    x = 3,721,015,281.77/87,523.74
  6. Step 6: Final answer
    x = 42,514.35

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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.