Home / 82,257.89-123,391.22-26,102.39

Finding the Fourth Proportional to 82,257.89, 123,391.22 and 26,102.39

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Solution

The fourth proportional to 82,257.89, 123,391.22 and 26,102.39 is: 39,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257.89 : 123,391.22 = 26,102.39 : x
  2. Step 2: Convert to fraction form
    82,257.89/123,391.22 = 26,102.39/x
  3. Step 3: Cross multiply
    82,257.89x = 123,391.22 × 26,102.39
  4. Step 4: Simplify right side
    82,257.89x = 3,220,804,999.55
  5. Step 5: Solve for x
    x = 3,220,804,999.55/82,257.89
  6. Step 6: Final answer
    x = 39,154.97

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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.