Home / 95,572.20-143,375.55-39,381.60

Finding the Fourth Proportional to 95,572.20, 143,375.55 and 39,381.60

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Solution

The fourth proportional to 95,572.20, 143,375.55 and 39,381.60 is: 59,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,572.20 : 143,375.55 = 39,381.60 : x
  2. Step 2: Convert to fraction form
    95,572.20/143,375.55 = 39,381.60/x
  3. Step 3: Cross multiply
    95,572.20x = 143,375.55 × 39,381.60
  4. Step 4: Simplify right side
    95,572.20x = 5,646,358,559.88
  5. Step 5: Solve for x
    x = 5,646,358,559.88/95,572.20
  6. Step 6: Final answer
    x = 59,079.51

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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.