Home / 106,831.13-147,414.20-59,077.98

Finding the Fourth Proportional to 106,831.13, 147,414.20 and 59,077.98

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Solution

The fourth proportional to 106,831.13, 147,414.20 and 59,077.98 is: 81,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,831.13 : 147,414.20 = 59,077.98 : x
  2. Step 2: Convert to fraction form
    106,831.13/147,414.20 = 59,077.98/x
  3. Step 3: Cross multiply
    106,831.13x = 147,414.20 × 59,077.98
  4. Step 4: Simplify right side
    106,831.13x = 8,708,932,863.93
  5. Step 5: Solve for x
    x = 8,708,932,863.93/106,831.13
  6. Step 6: Final answer
    x = 81,520.56

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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.