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Finding the Fourth Proportional to 73,909.82, 110,882.18 and 23,989.79

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Solution

The fourth proportional to 73,909.82, 110,882.18 and 23,989.79 is: 35,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909.82 : 110,882.18 = 23,989.79 : x
  2. Step 2: Convert to fraction form
    73,909.82/110,882.18 = 23,989.79/x
  3. Step 3: Cross multiply
    73,909.82x = 110,882.18 × 23,989.79
  4. Step 4: Simplify right side
    73,909.82x = 2,660,039,538.58
  5. Step 5: Solve for x
    x = 2,660,039,538.58/73,909.82
  6. Step 6: Final answer
    x = 35,990.34

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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.