Home / 71,451.11-107,205.83-38,162.54

Finding the Fourth Proportional to 71,451.11, 107,205.83 and 38,162.54

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Solution

The fourth proportional to 71,451.11, 107,205.83 and 38,162.54 is: 57,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,451.11 : 107,205.83 = 38,162.54 : x
  2. Step 2: Convert to fraction form
    71,451.11/107,205.83 = 38,162.54/x
  3. Step 3: Cross multiply
    71,451.11x = 107,205.83 × 38,162.54
  4. Step 4: Simplify right side
    71,451.11x = 4,091,246,775.61
  5. Step 5: Solve for x
    x = 4,091,246,775.61/71,451.11
  6. Step 6: Final answer
    x = 57,259.39

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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.