Home / 54,847.28-75,689.61-29,696.78

Finding the Fourth Proportional to 54,847.28, 75,689.61 and 29,696.78

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Solution

The fourth proportional to 54,847.28, 75,689.61 and 29,696.78 is: 40,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.28 : 75,689.61 = 29,696.78 : x
  2. Step 2: Convert to fraction form
    54,847.28/75,689.61 = 29,696.78/x
  3. Step 3: Cross multiply
    54,847.28x = 75,689.61 × 29,696.78
  4. Step 4: Simplify right side
    54,847.28x = 2,247,737,696.46
  5. Step 5: Solve for x
    x = 2,247,737,696.46/54,847.28
  6. Step 6: Final answer
    x = 40,981.75

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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.