Home / 83,818.49-115,641.20-47,516.03

Finding the Fourth Proportional to 83,818.49, 115,641.20 and 47,516.03

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Solution

The fourth proportional to 83,818.49, 115,641.20 and 47,516.03 is: 65,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.49 : 115,641.20 = 47,516.03 : x
  2. Step 2: Convert to fraction form
    83,818.49/115,641.20 = 47,516.03/x
  3. Step 3: Cross multiply
    83,818.49x = 115,641.20 × 47,516.03
  4. Step 4: Simplify right side
    83,818.49x = 5,494,809,912.65
  5. Step 5: Solve for x
    x = 5,494,809,912.65/83,818.49
  6. Step 6: Final answer
    x = 65,556.06

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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.