Home / 82,633.40-123,863.46-40,455.32

Finding the Fourth Proportional to 82,633.40, 123,863.46 and 40,455.32

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Solution

The fourth proportional to 82,633.40, 123,863.46 and 40,455.32 is: 60,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,633.40 : 123,863.46 = 40,455.32 : x
  2. Step 2: Convert to fraction form
    82,633.40/123,863.46 = 40,455.32/x
  3. Step 3: Cross multiply
    82,633.40x = 123,863.46 × 40,455.32
  4. Step 4: Simplify right side
    82,633.40x = 5,010,935,910.61
  5. Step 5: Solve for x
    x = 5,010,935,910.61/82,633.40
  6. Step 6: Final answer
    x = 60,640.56

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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.