Home / 82,411.24-123,310.66-49,149.40

Finding the Fourth Proportional to 82,411.24, 123,310.66 and 49,149.40

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Solution

The fourth proportional to 82,411.24, 123,310.66 and 49,149.40 is: 73,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,411.24 : 123,310.66 = 49,149.40 : x
  2. Step 2: Convert to fraction form
    82,411.24/123,310.66 = 49,149.40/x
  3. Step 3: Cross multiply
    82,411.24x = 123,310.66 × 49,149.40
  4. Step 4: Simplify right side
    82,411.24x = 6,060,644,952.60
  5. Step 5: Solve for x
    x = 6,060,644,952.60/82,411.24
  6. Step 6: Final answer
    x = 73,541.48

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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.