Home / 82,337.98-123,672.30-49,122.85

Finding the Fourth Proportional to 82,337.98, 123,672.30 and 49,122.85

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Solution

The fourth proportional to 82,337.98, 123,672.30 and 49,122.85 is: 73,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,337.98 : 123,672.30 = 49,122.85 : x
  2. Step 2: Convert to fraction form
    82,337.98/123,672.30 = 49,122.85/x
  3. Step 3: Cross multiply
    82,337.98x = 123,672.30 × 49,122.85
  4. Step 4: Simplify right side
    82,337.98x = 6,075,135,842.06
  5. Step 5: Solve for x
    x = 6,075,135,842.06/82,337.98
  6. Step 6: Final answer
    x = 73,782.91

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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.