Home / 54,295.49-81,471.10-25,864.64

Finding the Fourth Proportional to 54,295.49, 81,471.10 and 25,864.64

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Solution

The fourth proportional to 54,295.49, 81,471.10 and 25,864.64 is: 38,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,295.49 : 81,471.10 = 25,864.64 : x
  2. Step 2: Convert to fraction form
    54,295.49/81,471.10 = 25,864.64/x
  3. Step 3: Cross multiply
    54,295.49x = 81,471.10 × 25,864.64
  4. Step 4: Simplify right side
    54,295.49x = 2,107,220,671.90
  5. Step 5: Solve for x
    x = 2,107,220,671.90/54,295.49
  6. Step 6: Final answer
    x = 38,810.23

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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.