Home / 83,283.76-124,917.54-45,831.52

Finding the Fourth Proportional to 83,283.76, 124,917.54 and 45,831.52

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Solution

The fourth proportional to 83,283.76, 124,917.54 and 45,831.52 is: 68,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,283.76 : 124,917.54 = 45,831.52 : x
  2. Step 2: Convert to fraction form
    83,283.76/124,917.54 = 45,831.52/x
  3. Step 3: Cross multiply
    83,283.76x = 124,917.54 × 45,831.52
  4. Step 4: Simplify right side
    83,283.76x = 5,725,160,732.86
  5. Step 5: Solve for x
    x = 5,725,160,732.86/83,283.76
  6. Step 6: Final answer
    x = 68,742.82

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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.