Home / 54,456.32-81,541.92-35,677.28

Finding the Fourth Proportional to 54,456.32, 81,541.92 and 35,677.28

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Solution

The fourth proportional to 54,456.32, 81,541.92 and 35,677.28 is: 53,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,456.32 : 81,541.92 = 35,677.28 : x
  2. Step 2: Convert to fraction form
    54,456.32/81,541.92 = 35,677.28/x
  3. Step 3: Cross multiply
    54,456.32x = 81,541.92 × 35,677.28
  4. Step 4: Simplify right side
    54,456.32x = 2,909,193,911.58
  5. Step 5: Solve for x
    x = 2,909,193,911.58/54,456.32
  6. Step 6: Final answer
    x = 53,422.52

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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.