Home / 49,691.08-68,575.42-28,474.40

Finding the Fourth Proportional to 49,691.08, 68,575.42 and 28,474.40

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Solution

The fourth proportional to 49,691.08, 68,575.42 and 28,474.40 is: 39,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.08 : 68,575.42 = 28,474.40 : x
  2. Step 2: Convert to fraction form
    49,691.08/68,575.42 = 28,474.40/x
  3. Step 3: Cross multiply
    49,691.08x = 68,575.42 × 28,474.40
  4. Step 4: Simplify right side
    49,691.08x = 1,952,643,939.25
  5. Step 5: Solve for x
    x = 1,952,643,939.25/49,691.08
  6. Step 6: Final answer
    x = 39,295.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.