Home / 49,520.97-68,340.11-28,302.21

Finding the Fourth Proportional to 49,520.97, 68,340.11 and 28,302.21

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Solution

The fourth proportional to 49,520.97, 68,340.11 and 28,302.21 is: 39,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.97 : 68,340.11 = 28,302.21 : x
  2. Step 2: Convert to fraction form
    49,520.97/68,340.11 = 28,302.21/x
  3. Step 3: Cross multiply
    49,520.97x = 68,340.11 × 28,302.21
  4. Step 4: Simplify right side
    49,520.97x = 1,934,176,003.13
  5. Step 5: Solve for x
    x = 1,934,176,003.13/49,520.97
  6. Step 6: Final answer
    x = 39,057.72

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1.5x scale

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.