Home / 67,467.12-101,200.84-20,719.92

Finding the Fourth Proportional to 67,467.12, 101,200.84 and 20,719.92

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Solution

The fourth proportional to 67,467.12, 101,200.84 and 20,719.92 is: 31,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,467.12 : 101,200.84 = 20,719.92 : x
  2. Step 2: Convert to fraction form
    67,467.12/101,200.84 = 20,719.92/x
  3. Step 3: Cross multiply
    67,467.12x = 101,200.84 × 20,719.92
  4. Step 4: Simplify right side
    67,467.12x = 2,096,873,308.73
  5. Step 5: Solve for x
    x = 2,096,873,308.73/67,467.12
  6. Step 6: Final answer
    x = 31,079.93

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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.