Home / 82,279.24-123,393.33-29,681.86

Finding the Fourth Proportional to 82,279.24, 123,393.33 and 29,681.86

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Solution

The fourth proportional to 82,279.24, 123,393.33 and 29,681.86 is: 44,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.24 : 123,393.33 = 29,681.86 : x
  2. Step 2: Convert to fraction form
    82,279.24/123,393.33 = 29,681.86/x
  3. Step 3: Cross multiply
    82,279.24x = 123,393.33 × 29,681.86
  4. Step 4: Simplify right side
    82,279.24x = 3,662,543,545.99
  5. Step 5: Solve for x
    x = 3,662,543,545.99/82,279.24
  6. Step 6: Final answer
    x = 44,513.58

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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.