Home / 82,375.05-123,562.58-71,248.69

Finding the Fourth Proportional to 82,375.05, 123,562.58 and 71,248.69

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Solution

The fourth proportional to 82,375.05, 123,562.58 and 71,248.69 is: 106,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.05 : 123,562.58 = 71,248.69 : x
  2. Step 2: Convert to fraction form
    82,375.05/123,562.58 = 71,248.69/x
  3. Step 3: Cross multiply
    82,375.05x = 123,562.58 × 71,248.69
  4. Step 4: Simplify right side
    82,375.05x = 8,803,671,292.87
  5. Step 5: Solve for x
    x = 8,803,671,292.87/82,375.05
  6. Step 6: Final answer
    x = 106,873.03

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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.