Home / 83,680.40-125,423.40-33,735.80

Finding the Fourth Proportional to 83,680.40, 125,423.40 and 33,735.80

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Solution

The fourth proportional to 83,680.40, 125,423.40 and 33,735.80 is: 50,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,680.40 : 125,423.40 = 33,735.80 : x
  2. Step 2: Convert to fraction form
    83,680.40/125,423.40 = 33,735.80/x
  3. Step 3: Cross multiply
    83,680.40x = 125,423.40 × 33,735.80
  4. Step 4: Simplify right side
    83,680.40x = 4,231,258,737.72
  5. Step 5: Solve for x
    x = 4,231,258,737.72/83,680.40
  6. Step 6: Final answer
    x = 50,564.51

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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.