Home / 82,518.42-123,825.66-35,131.02

Finding the Fourth Proportional to 82,518.42, 123,825.66 and 35,131.02

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Solution

The fourth proportional to 82,518.42, 123,825.66 and 35,131.02 is: 52,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518.42 : 123,825.66 = 35,131.02 : x
  2. Step 2: Convert to fraction form
    82,518.42/123,825.66 = 35,131.02/x
  3. Step 3: Cross multiply
    82,518.42x = 123,825.66 × 35,131.02
  4. Step 4: Simplify right side
    82,518.42x = 4,350,121,737.97
  5. Step 5: Solve for x
    x = 4,350,121,737.97/82,518.42
  6. Step 6: Final answer
    x = 52,716.98

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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.