Home / 82,447.10-123,524.85-69,908.30

Finding the Fourth Proportional to 82,447.10, 123,524.85 and 69,908.30

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Solution

The fourth proportional to 82,447.10, 123,524.85 and 69,908.30 is: 104,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.10 : 123,524.85 = 69,908.30 : x
  2. Step 2: Convert to fraction form
    82,447.10/123,524.85 = 69,908.30/x
  3. Step 3: Cross multiply
    82,447.10x = 123,524.85 × 69,908.30
  4. Step 4: Simplify right side
    82,447.10x = 8,635,412,271.26
  5. Step 5: Solve for x
    x = 8,635,412,271.26/82,447.10
  6. Step 6: Final answer
    x = 104,738.82

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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.