Home / 82,517.80-123,715.99-26,325.57

Finding the Fourth Proportional to 82,517.80, 123,715.99 and 26,325.57

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Solution

The fourth proportional to 82,517.80, 123,715.99 and 26,325.57 is: 39,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.80 : 123,715.99 = 26,325.57 : x
  2. Step 2: Convert to fraction form
    82,517.80/123,715.99 = 26,325.57/x
  3. Step 3: Cross multiply
    82,517.80x = 123,715.99 × 26,325.57
  4. Step 4: Simplify right side
    82,517.80x = 3,256,893,954.86
  5. Step 5: Solve for x
    x = 3,256,893,954.86/82,517.80
  6. Step 6: Final answer
    x = 39,468.99

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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.