Home / 54,232.20-81,218.70-43,864.20

Finding the Fourth Proportional to 54,232.20, 81,218.70 and 43,864.20

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Solution

The fourth proportional to 54,232.20, 81,218.70 and 43,864.20 is: 65,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232.20 : 81,218.70 = 43,864.20 : x
  2. Step 2: Convert to fraction form
    54,232.20/81,218.70 = 43,864.20/x
  3. Step 3: Cross multiply
    54,232.20x = 81,218.70 × 43,864.20
  4. Step 4: Simplify right side
    54,232.20x = 3,562,593,300.54
  5. Step 5: Solve for x
    x = 3,562,593,300.54/54,232.20
  6. Step 6: Final answer
    x = 65,691.48

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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.