Home / 87,249.96-130,895.10-27,275.04

Finding the Fourth Proportional to 87,249.96, 130,895.10 and 27,275.04

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Solution

The fourth proportional to 87,249.96, 130,895.10 and 27,275.04 is: 40,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,249.96 : 130,895.10 = 27,275.04 : x
  2. Step 2: Convert to fraction form
    87,249.96/130,895.10 = 27,275.04/x
  3. Step 3: Cross multiply
    87,249.96x = 130,895.10 × 27,275.04
  4. Step 4: Simplify right side
    87,249.96x = 3,570,169,088.30
  5. Step 5: Solve for x
    x = 3,570,169,088.30/87,249.96
  6. Step 6: Final answer
    x = 40,918.86

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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.