Home / 83,410.12-115,106.03-45,169.97

Finding the Fourth Proportional to 83,410.12, 115,106.03 and 45,169.97

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Solution

The fourth proportional to 83,410.12, 115,106.03 and 45,169.97 is: 62,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.12 : 115,106.03 = 45,169.97 : x
  2. Step 2: Convert to fraction form
    83,410.12/115,106.03 = 45,169.97/x
  3. Step 3: Cross multiply
    83,410.12x = 115,106.03 × 45,169.97
  4. Step 4: Simplify right side
    83,410.12x = 5,199,335,120.54
  5. Step 5: Solve for x
    x = 5,199,335,120.54/83,410.12
  6. Step 6: Final answer
    x = 62,334.59

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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.