Home / 54,135.92-74,704.50-29,935.46

Finding the Fourth Proportional to 54,135.92, 74,704.50 and 29,935.46

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Solution

The fourth proportional to 54,135.92, 74,704.50 and 29,935.46 is: 41,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.92 : 74,704.50 = 29,935.46 : x
  2. Step 2: Convert to fraction form
    54,135.92/74,704.50 = 29,935.46/x
  3. Step 3: Cross multiply
    54,135.92x = 74,704.50 × 29,935.46
  4. Step 4: Simplify right side
    54,135.92x = 2,236,313,571.57
  5. Step 5: Solve for x
    x = 2,236,313,571.57/54,135.92
  6. Step 6: Final answer
    x = 41,309.24

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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.