Home / 87,699.64-131,556.40-24,520.17

Finding the Fourth Proportional to 87,699.64, 131,556.40 and 24,520.17

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Solution

The fourth proportional to 87,699.64, 131,556.40 and 24,520.17 is: 36,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.64 : 131,556.40 = 24,520.17 : x
  2. Step 2: Convert to fraction form
    87,699.64/131,556.40 = 24,520.17/x
  3. Step 3: Cross multiply
    87,699.64x = 131,556.40 × 24,520.17
  4. Step 4: Simplify right side
    87,699.64x = 3,225,785,122.55
  5. Step 5: Solve for x
    x = 3,225,785,122.55/87,699.64
  6. Step 6: Final answer
    x = 36,782.19

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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.