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Finding the Fourth Proportional to 80,127.76, 120,086.44 and 58,968.72

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Solution

The fourth proportional to 80,127.76, 120,086.44 and 58,968.72 is: 88,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,127.76 : 120,086.44 = 58,968.72 : x
  2. Step 2: Convert to fraction form
    80,127.76/120,086.44 = 58,968.72/x
  3. Step 3: Cross multiply
    80,127.76x = 120,086.44 × 58,968.72
  4. Step 4: Simplify right side
    80,127.76x = 7,081,343,656.16
  5. Step 5: Solve for x
    x = 7,081,343,656.16/80,127.76
  6. Step 6: Final answer
    x = 88,375.66

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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.