Home / 54,438.32-81,514.92-35,659.28

Finding the Fourth Proportional to 54,438.32, 81,514.92 and 35,659.28

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Solution

The fourth proportional to 54,438.32, 81,514.92 and 35,659.28 is: 53,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.32 : 81,514.92 = 35,659.28 : x
  2. Step 2: Convert to fraction form
    54,438.32/81,514.92 = 35,659.28/x
  3. Step 3: Cross multiply
    54,438.32x = 81,514.92 × 35,659.28
  4. Step 4: Simplify right side
    54,438.32x = 2,906,763,356.46
  5. Step 5: Solve for x
    x = 2,906,763,356.46/54,438.32
  6. Step 6: Final answer
    x = 53,395.54

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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.