Home / 54,148.24-81,207.68-36,725.12

Finding the Fourth Proportional to 54,148.24, 81,207.68 and 36,725.12

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Solution

The fourth proportional to 54,148.24, 81,207.68 and 36,725.12 is: 55,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.24 : 81,207.68 = 36,725.12 : x
  2. Step 2: Convert to fraction form
    54,148.24/81,207.68 = 36,725.12/x
  3. Step 3: Cross multiply
    54,148.24x = 81,207.68 × 36,725.12
  4. Step 4: Simplify right side
    54,148.24x = 2,982,361,792.92
  5. Step 5: Solve for x
    x = 2,982,361,792.92/54,148.24
  6. Step 6: Final answer
    x = 55,077.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.