Home / 49,794.27-74,691.16-28,720.66

Finding the Fourth Proportional to 49,794.27, 74,691.16 and 28,720.66

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Solution

The fourth proportional to 49,794.27, 74,691.16 and 28,720.66 is: 43,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,794.27 : 74,691.16 = 28,720.66 : x
  2. Step 2: Convert to fraction form
    49,794.27/74,691.16 = 28,720.66/x
  3. Step 3: Cross multiply
    49,794.27x = 74,691.16 × 28,720.66
  4. Step 4: Simplify right side
    49,794.27x = 2,145,179,267.76
  5. Step 5: Solve for x
    x = 2,145,179,267.76/49,794.27
  6. Step 6: Final answer
    x = 43,080.85

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1.5x scale

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.