Home / 83,285.50-114,989.44-49,304.92

Finding the Fourth Proportional to 83,285.50, 114,989.44 and 49,304.92

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Solution

The fourth proportional to 83,285.50, 114,989.44 and 49,304.92 is: 68,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,285.50 : 114,989.44 = 49,304.92 : x
  2. Step 2: Convert to fraction form
    83,285.50/114,989.44 = 49,304.92/x
  3. Step 3: Cross multiply
    83,285.50x = 114,989.44 × 49,304.92
  4. Step 4: Simplify right side
    83,285.50x = 5,669,545,140.04
  5. Step 5: Solve for x
    x = 5,669,545,140.04/83,285.50
  6. Step 6: Final answer
    x = 68,073.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.