Home / 54,560.60-81,831.64-15,108.49

Finding the Fourth Proportional to 54,560.60, 81,831.64 and 15,108.49

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Solution

The fourth proportional to 54,560.60, 81,831.64 and 15,108.49 is: 22,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.60 : 81,831.64 = 15,108.49 : x
  2. Step 2: Convert to fraction form
    54,560.60/81,831.64 = 15,108.49/x
  3. Step 3: Cross multiply
    54,560.60x = 81,831.64 × 15,108.49
  4. Step 4: Simplify right side
    54,560.60x = 1,236,352,514.62
  5. Step 5: Solve for x
    x = 1,236,352,514.62/54,560.60
  6. Step 6: Final answer
    x = 22,660.17

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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.