Home / 83,044.20-124,436.70-71,898.60

Finding the Fourth Proportional to 83,044.20, 124,436.70 and 71,898.60

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Solution

The fourth proportional to 83,044.20, 124,436.70 and 71,898.60 is: 107,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,044.20 : 124,436.70 = 71,898.60 : x
  2. Step 2: Convert to fraction form
    83,044.20/124,436.70 = 71,898.60/x
  3. Step 3: Cross multiply
    83,044.20x = 124,436.70 × 71,898.60
  4. Step 4: Simplify right side
    83,044.20x = 8,946,824,518.62
  5. Step 5: Solve for x
    x = 8,946,824,518.62/83,044.20
  6. Step 6: Final answer
    x = 107,735.69

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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.