Home / 82,549.70-123,782.97-40,432.94

Finding the Fourth Proportional to 82,549.70, 123,782.97 and 40,432.94

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Solution

The fourth proportional to 82,549.70, 123,782.97 and 40,432.94 is: 60,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,549.70 : 123,782.97 = 40,432.94 : x
  2. Step 2: Convert to fraction form
    82,549.70/123,782.97 = 40,432.94/x
  3. Step 3: Cross multiply
    82,549.70x = 123,782.97 × 40,432.94
  4. Step 4: Simplify right side
    82,549.70x = 5,004,909,399.03
  5. Step 5: Solve for x
    x = 5,004,909,399.03/82,549.70
  6. Step 6: Final answer
    x = 60,629.04

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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.