Home / 82,172.97-123,329.40-32,287.95

Finding the Fourth Proportional to 82,172.97, 123,329.40 and 32,287.95

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Solution

The fourth proportional to 82,172.97, 123,329.40 and 32,287.95 is: 48,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.97 : 123,329.40 = 32,287.95 : x
  2. Step 2: Convert to fraction form
    82,172.97/123,329.40 = 32,287.95/x
  3. Step 3: Cross multiply
    82,172.97x = 123,329.40 × 32,287.95
  4. Step 4: Simplify right side
    82,172.97x = 3,982,053,809.05
  5. Step 5: Solve for x
    x = 3,982,053,809.05/82,172.97
  6. Step 6: Final answer
    x = 48,459.41

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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.