Home / 82,170.84-123,318.30-40,044.36

Finding the Fourth Proportional to 82,170.84, 123,318.30 and 40,044.36

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Solution

The fourth proportional to 82,170.84, 123,318.30 and 40,044.36 is: 60,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.84 : 123,318.30 = 40,044.36 : x
  2. Step 2: Convert to fraction form
    82,170.84/123,318.30 = 40,044.36/x
  3. Step 3: Cross multiply
    82,170.84x = 123,318.30 × 40,044.36
  4. Step 4: Simplify right side
    82,170.84x = 4,938,202,399.79
  5. Step 5: Solve for x
    x = 4,938,202,399.79/82,170.84
  6. Step 6: Final answer
    x = 60,096.77

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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.