Home / 49,960.20-68,949.45-28,746.30

Finding the Fourth Proportional to 49,960.20, 68,949.45 and 28,746.30

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Solution

The fourth proportional to 49,960.20, 68,949.45 and 28,746.30 is: 39,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,960.20 : 68,949.45 = 28,746.30 : x
  2. Step 2: Convert to fraction form
    49,960.20/68,949.45 = 28,746.30/x
  3. Step 3: Cross multiply
    49,960.20x = 68,949.45 × 28,746.30
  4. Step 4: Simplify right side
    49,960.20x = 1,982,041,574.54
  5. Step 5: Solve for x
    x = 1,982,041,574.54/49,960.20
  6. Step 6: Final answer
    x = 39,672.41

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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.