Home / 83,164.20-114,769.26-45,438.48

Finding the Fourth Proportional to 83,164.20, 114,769.26 and 45,438.48

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Solution

The fourth proportional to 83,164.20, 114,769.26 and 45,438.48 is: 62,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,164.20 : 114,769.26 = 45,438.48 : x
  2. Step 2: Convert to fraction form
    83,164.20/114,769.26 = 45,438.48/x
  3. Step 3: Cross multiply
    83,164.20x = 114,769.26 × 45,438.48
  4. Step 4: Simplify right side
    83,164.20x = 5,214,940,725.12
  5. Step 5: Solve for x
    x = 5,214,940,725.12/83,164.20
  6. Step 6: Final answer
    x = 62,706.56

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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.