Home / 87,608.68-131,443.50-27,646.40

Finding the Fourth Proportional to 87,608.68, 131,443.50 and 27,646.40

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Solution

The fourth proportional to 87,608.68, 131,443.50 and 27,646.40 is: 41,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,608.68 : 131,443.50 = 27,646.40 : x
  2. Step 2: Convert to fraction form
    87,608.68/131,443.50 = 27,646.40/x
  3. Step 3: Cross multiply
    87,608.68x = 131,443.50 × 27,646.40
  4. Step 4: Simplify right side
    87,608.68x = 3,633,939,440.17
  5. Step 5: Solve for x
    x = 3,633,939,440.17/87,608.68
  6. Step 6: Final answer
    x = 41,479.22

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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.