Home / 82,266.39-123,399.57-29,675.85

Finding the Fourth Proportional to 82,266.39, 123,399.57 and 29,675.85

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Solution

The fourth proportional to 82,266.39, 123,399.57 and 29,675.85 is: 44,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,266.39 : 123,399.57 = 29,675.85 : x
  2. Step 2: Convert to fraction form
    82,266.39/123,399.57 = 29,675.85/x
  3. Step 3: Cross multiply
    82,266.39x = 123,399.57 × 29,675.85
  4. Step 4: Simplify right side
    82,266.39x = 3,661,987,129.38
  5. Step 5: Solve for x
    x = 3,661,987,129.38/82,266.39
  6. Step 6: Final answer
    x = 44,513.77

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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.