Home / 83,831.44-125,755.37-30,537.90

Finding the Fourth Proportional to 83,831.44, 125,755.37 and 30,537.90

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Solution

The fourth proportional to 83,831.44, 125,755.37 and 30,537.90 is: 45,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831.44 : 125,755.37 = 30,537.90 : x
  2. Step 2: Convert to fraction form
    83,831.44/125,755.37 = 30,537.90/x
  3. Step 3: Cross multiply
    83,831.44x = 125,755.37 × 30,537.90
  4. Step 4: Simplify right side
    83,831.44x = 3,840,304,913.52
  5. Step 5: Solve for x
    x = 3,840,304,913.52/83,831.44
  6. Step 6: Final answer
    x = 45,809.84

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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.