Home / 80,876.45-111,610.23-44,575.90

Finding the Fourth Proportional to 80,876.45, 111,610.23 and 44,575.90

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Solution

The fourth proportional to 80,876.45, 111,610.23 and 44,575.90 is: 61,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,876.45 : 111,610.23 = 44,575.90 : x
  2. Step 2: Convert to fraction form
    80,876.45/111,610.23 = 44,575.90/x
  3. Step 3: Cross multiply
    80,876.45x = 111,610.23 × 44,575.90
  4. Step 4: Simplify right side
    80,876.45x = 4,975,126,451.46
  5. Step 5: Solve for x
    x = 4,975,126,451.46/80,876.45
  6. Step 6: Final answer
    x = 61,515.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.