Home / 49,954.20-68,941.17-28,740.30

Finding the Fourth Proportional to 49,954.20, 68,941.17 and 28,740.30

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Solution

The fourth proportional to 49,954.20, 68,941.17 and 28,740.30 is: 39,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.20 : 68,941.17 = 28,740.30 : x
  2. Step 2: Convert to fraction form
    49,954.20/68,941.17 = 28,740.30/x
  3. Step 3: Cross multiply
    49,954.20x = 68,941.17 × 28,740.30
  4. Step 4: Simplify right side
    49,954.20x = 1,981,389,908.15
  5. Step 5: Solve for x
    x = 1,981,389,908.15/49,954.20
  6. Step 6: Final answer
    x = 39,664.13

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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.