Home / 54,818.76-81,831.48-48,175.92

Finding the Fourth Proportional to 54,818.76, 81,831.48 and 48,175.92

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Solution

The fourth proportional to 54,818.76, 81,831.48 and 48,175.92 is: 71,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.76 : 81,831.48 = 48,175.92 : x
  2. Step 2: Convert to fraction form
    54,818.76/81,831.48 = 48,175.92/x
  3. Step 3: Cross multiply
    54,818.76x = 81,831.48 × 48,175.92
  4. Step 4: Simplify right side
    54,818.76x = 3,942,306,833.96
  5. Step 5: Solve for x
    x = 3,942,306,833.96/54,818.76
  6. Step 6: Final answer
    x = 71,915.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.