Home / 66,757.10-92,121.82-36,543.69

Finding the Fourth Proportional to 66,757.10, 92,121.82 and 36,543.69

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Solution

The fourth proportional to 66,757.10, 92,121.82 and 36,543.69 is: 50,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.10 : 92,121.82 = 36,543.69 : x
  2. Step 2: Convert to fraction form
    66,757.10/92,121.82 = 36,543.69/x
  3. Step 3: Cross multiply
    66,757.10x = 92,121.82 × 36,543.69
  4. Step 4: Simplify right side
    66,757.10x = 3,366,471,140.96
  5. Step 5: Solve for x
    x = 3,366,471,140.96/66,757.10
  6. Step 6: Final answer
    x = 50,428.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.