Home / 80,121.76-120,077.44-58,962.72

Finding the Fourth Proportional to 80,121.76, 120,077.44 and 58,962.72

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Solution

The fourth proportional to 80,121.76, 120,077.44 and 58,962.72 is: 88,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,121.76 : 120,077.44 = 58,962.72 : x
  2. Step 2: Convert to fraction form
    80,121.76/120,077.44 = 58,962.72/x
  3. Step 3: Cross multiply
    80,121.76x = 120,077.44 × 58,962.72
  4. Step 4: Simplify right side
    80,121.76x = 7,080,092,473.04
  5. Step 5: Solve for x
    x = 7,080,092,473.04/80,121.76
  6. Step 6: Final answer
    x = 88,366.66

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1.5x scale

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.