Home / 87,452.08-131,008.95-73,243.40

Finding the Fourth Proportional to 87,452.08, 131,008.95 and 73,243.40

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Solution

The fourth proportional to 87,452.08, 131,008.95 and 73,243.40 is: 109,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.08 : 131,008.95 = 73,243.40 : x
  2. Step 2: Convert to fraction form
    87,452.08/131,008.95 = 73,243.40/x
  3. Step 3: Cross multiply
    87,452.08x = 131,008.95 × 73,243.40
  4. Step 4: Simplify right side
    87,452.08x = 9,595,540,273.39
  5. Step 5: Solve for x
    x = 9,595,540,273.39/87,452.08
  6. Step 6: Final answer
    x = 109,723.41

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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.