Home / 83,831.19-125,744.95-39,433.33

Finding the Fourth Proportional to 83,831.19, 125,744.95 and 39,433.33

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Solution

The fourth proportional to 83,831.19, 125,744.95 and 39,433.33 is: 59,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831.19 : 125,744.95 = 39,433.33 : x
  2. Step 2: Convert to fraction form
    83,831.19/125,744.95 = 39,433.33/x
  3. Step 3: Cross multiply
    83,831.19x = 125,744.95 × 39,433.33
  4. Step 4: Simplify right side
    83,831.19x = 4,958,542,109.18
  5. Step 5: Solve for x
    x = 4,958,542,109.18/83,831.19
  6. Step 6: Final answer
    x = 59,149.13

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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.