Home / 54,337.92-74,989.20-31,370.76

Finding the Fourth Proportional to 54,337.92, 74,989.20 and 31,370.76

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Solution

The fourth proportional to 54,337.92, 74,989.20 and 31,370.76 is: 43,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.92 : 74,989.20 = 31,370.76 : x
  2. Step 2: Convert to fraction form
    54,337.92/74,989.20 = 31,370.76/x
  3. Step 3: Cross multiply
    54,337.92x = 74,989.20 × 31,370.76
  4. Step 4: Simplify right side
    54,337.92x = 2,352,468,195.79
  5. Step 5: Solve for x
    x = 2,352,468,195.79/54,337.92
  6. Step 6: Final answer
    x = 43,293.31

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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.