Home / 82,218.23-123,279.48-32,239.74

Finding the Fourth Proportional to 82,218.23, 123,279.48 and 32,239.74

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Solution

The fourth proportional to 82,218.23, 123,279.48 and 32,239.74 is: 48,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,218.23 : 123,279.48 = 32,239.74 : x
  2. Step 2: Convert to fraction form
    82,218.23/123,279.48 = 32,239.74/x
  3. Step 3: Cross multiply
    82,218.23x = 123,279.48 × 32,239.74
  4. Step 4: Simplify right side
    82,218.23x = 3,974,498,382.54
  5. Step 5: Solve for x
    x = 3,974,498,382.54/82,218.23
  6. Step 6: Final answer
    x = 48,340.84

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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.