Home / 71,500.73-107,272.62-64,447.65

Finding the Fourth Proportional to 71,500.73, 107,272.62 and 64,447.65

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Solution

The fourth proportional to 71,500.73, 107,272.62 and 64,447.65 is: 96,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,500.73 : 107,272.62 = 64,447.65 : x
  2. Step 2: Convert to fraction form
    71,500.73/107,272.62 = 64,447.65/x
  3. Step 3: Cross multiply
    71,500.73x = 107,272.62 × 64,447.65
  4. Step 4: Simplify right side
    71,500.73x = 6,913,468,268.34
  5. Step 5: Solve for x
    x = 6,913,468,268.34/71,500.73
  6. Step 6: Final answer
    x = 96,690.88

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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.