Home / 49,174.08-73,761.17-21,075.90

Finding the Fourth Proportional to 49,174.08, 73,761.17 and 21,075.90

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Solution

The fourth proportional to 49,174.08, 73,761.17 and 21,075.90 is: 31,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,174.08 : 73,761.17 = 21,075.90 : x
  2. Step 2: Convert to fraction form
    49,174.08/73,761.17 = 21,075.90/x
  3. Step 3: Cross multiply
    49,174.08x = 73,761.17 × 21,075.90
  4. Step 4: Simplify right side
    49,174.08x = 1,554,582,937.42
  5. Step 5: Solve for x
    x = 1,554,582,937.42/49,174.08
  6. Step 6: Final answer
    x = 31,613.87

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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.