Home / 49,871.12-68,831.05-29,729.29

Finding the Fourth Proportional to 49,871.12, 68,831.05 and 29,729.29

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Solution

The fourth proportional to 49,871.12, 68,831.05 and 29,729.29 is: 41,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.12 : 68,831.05 = 29,729.29 : x
  2. Step 2: Convert to fraction form
    49,871.12/68,831.05 = 29,729.29/x
  3. Step 3: Cross multiply
    49,871.12x = 68,831.05 × 29,729.29
  4. Step 4: Simplify right side
    49,871.12x = 2,046,298,246.45
  5. Step 5: Solve for x
    x = 2,046,298,246.45/49,871.12
  6. Step 6: Final answer
    x = 41,031.73

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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.