Home / 54,215.60-81,323.40-50,932.40

Finding the Fourth Proportional to 54,215.60, 81,323.40 and 50,932.40

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Solution

The fourth proportional to 54,215.60, 81,323.40 and 50,932.40 is: 76,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.60 : 81,323.40 = 50,932.40 : x
  2. Step 2: Convert to fraction form
    54,215.60/81,323.40 = 50,932.40/x
  3. Step 3: Cross multiply
    54,215.60x = 81,323.40 × 50,932.40
  4. Step 4: Simplify right side
    54,215.60x = 4,141,995,938.16
  5. Step 5: Solve for x
    x = 4,141,995,938.16/54,215.60
  6. Step 6: Final answer
    x = 76,398.60

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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.