Home / 54,256.60-81,336.30-35,545.60

Finding the Fourth Proportional to 54,256.60, 81,336.30 and 35,545.60

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Solution

The fourth proportional to 54,256.60, 81,336.30 and 35,545.60 is: 53,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,256.60 : 81,336.30 = 35,545.60 : x
  2. Step 2: Convert to fraction form
    54,256.60/81,336.30 = 35,545.60/x
  3. Step 3: Cross multiply
    54,256.60x = 81,336.30 × 35,545.60
  4. Step 4: Simplify right side
    54,256.60x = 2,891,147,585.28
  5. Step 5: Solve for x
    x = 2,891,147,585.28/54,256.60
  6. Step 6: Final answer
    x = 53,286.56

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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.