Home / 83,283.26-124,916.79-45,831.02

Finding the Fourth Proportional to 83,283.26, 124,916.79 and 45,831.02

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Solution

The fourth proportional to 83,283.26, 124,916.79 and 45,831.02 is: 68,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,283.26 : 124,916.79 = 45,831.02 : x
  2. Step 2: Convert to fraction form
    83,283.26/124,916.79 = 45,831.02/x
  3. Step 3: Cross multiply
    83,283.26x = 124,916.79 × 45,831.02
  4. Step 4: Simplify right side
    83,283.26x = 5,725,063,900.83
  5. Step 5: Solve for x
    x = 5,725,063,900.83/83,283.26
  6. Step 6: Final answer
    x = 68,742.07

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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.