Home / 83,504.16-115,234.92-45,778.32

Finding the Fourth Proportional to 83,504.16, 115,234.92 and 45,778.32

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Solution

The fourth proportional to 83,504.16, 115,234.92 and 45,778.32 is: 63,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,504.16 : 115,234.92 = 45,778.32 : x
  2. Step 2: Convert to fraction form
    83,504.16/115,234.92 = 45,778.32/x
  3. Step 3: Cross multiply
    83,504.16x = 115,234.92 × 45,778.32
  4. Step 4: Simplify right side
    83,504.16x = 5,275,261,042.93
  5. Step 5: Solve for x
    x = 5,275,261,042.93/83,504.16
  6. Step 6: Final answer
    x = 63,173.63

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1.5x scale

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.