Home / 54,298.40-81,425.73-22,687.75

Finding the Fourth Proportional to 54,298.40, 81,425.73 and 22,687.75

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Solution

The fourth proportional to 54,298.40, 81,425.73 and 22,687.75 is: 34,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298.40 : 81,425.73 = 22,687.75 : x
  2. Step 2: Convert to fraction form
    54,298.40/81,425.73 = 22,687.75/x
  3. Step 3: Cross multiply
    54,298.40x = 81,425.73 × 22,687.75
  4. Step 4: Simplify right side
    54,298.40x = 1,847,366,605.81
  5. Step 5: Solve for x
    x = 1,847,366,605.81/54,298.40
  6. Step 6: Final answer
    x = 34,022.49

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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.