Home / 82,272.38-123,447.68-57,010.77

Finding the Fourth Proportional to 82,272.38, 123,447.68 and 57,010.77

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Solution

The fourth proportional to 82,272.38, 123,447.68 and 57,010.77 is: 85,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,272.38 : 123,447.68 = 57,010.77 : x
  2. Step 2: Convert to fraction form
    82,272.38/123,447.68 = 57,010.77/x
  3. Step 3: Cross multiply
    82,272.38x = 123,447.68 × 57,010.77
  4. Step 4: Simplify right side
    82,272.38x = 7,037,846,790.95
  5. Step 5: Solve for x
    x = 7,037,846,790.95/82,272.38
  6. Step 6: Final answer
    x = 85,543.25

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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.