Home / 82,425.78-123,497.43-55,357.38

Finding the Fourth Proportional to 82,425.78, 123,497.43 and 55,357.38

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Solution

The fourth proportional to 82,425.78, 123,497.43 and 55,357.38 is: 82,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,425.78 : 123,497.43 = 55,357.38 : x
  2. Step 2: Convert to fraction form
    82,425.78/123,497.43 = 55,357.38/x
  3. Step 3: Cross multiply
    82,425.78x = 123,497.43 × 55,357.38
  4. Step 4: Simplify right side
    82,425.78x = 6,836,494,161.53
  5. Step 5: Solve for x
    x = 6,836,494,161.53/82,425.78
  6. Step 6: Final answer
    x = 82,941.21

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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.