Home / 49,871.75-68,831.91-29,729.91

Finding the Fourth Proportional to 49,871.75, 68,831.91 and 29,729.91

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Solution

The fourth proportional to 49,871.75, 68,831.91 and 29,729.91 is: 41,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.75 : 68,831.91 = 29,729.91 : x
  2. Step 2: Convert to fraction form
    49,871.75/68,831.91 = 29,729.91/x
  3. Step 3: Cross multiply
    49,871.75x = 68,831.91 × 29,729.91
  4. Step 4: Simplify right side
    49,871.75x = 2,046,366,489.43
  5. Step 5: Solve for x
    x = 2,046,366,489.43/49,871.75
  6. Step 6: Final answer
    x = 41,032.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.