Home / 87,337.03-130,992.75-42,951.85

Finding the Fourth Proportional to 87,337.03, 130,992.75 and 42,951.85

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Solution

The fourth proportional to 87,337.03, 130,992.75 and 42,951.85 is: 64,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.03 : 130,992.75 = 42,951.85 : x
  2. Step 2: Convert to fraction form
    87,337.03/130,992.75 = 42,951.85/x
  3. Step 3: Cross multiply
    87,337.03x = 130,992.75 × 42,951.85
  4. Step 4: Simplify right side
    87,337.03x = 5,626,380,949.09
  5. Step 5: Solve for x
    x = 5,626,380,949.09/87,337.03
  6. Step 6: Final answer
    x = 64,421.48

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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.