Home / 83,831.52-115,677.79-48,019.39

Finding the Fourth Proportional to 83,831.52, 115,677.79 and 48,019.39

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Solution

The fourth proportional to 83,831.52, 115,677.79 and 48,019.39 is: 66,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831.52 : 115,677.79 = 48,019.39 : x
  2. Step 2: Convert to fraction form
    83,831.52/115,677.79 = 48,019.39/x
  3. Step 3: Cross multiply
    83,831.52x = 115,677.79 × 48,019.39
  4. Step 4: Simplify right side
    83,831.52x = 5,554,776,912.35
  5. Step 5: Solve for x
    x = 5,554,776,912.35/83,831.52
  6. Step 6: Final answer
    x = 66,261.20

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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.