Home / 83,846.72-115,706.12-46,120.97

Finding the Fourth Proportional to 83,846.72, 115,706.12 and 46,120.97

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Solution

The fourth proportional to 83,846.72, 115,706.12 and 46,120.97 is: 63,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,846.72 : 115,706.12 = 46,120.97 : x
  2. Step 2: Convert to fraction form
    83,846.72/115,706.12 = 46,120.97/x
  3. Step 3: Cross multiply
    83,846.72x = 115,706.12 × 46,120.97
  4. Step 4: Simplify right side
    83,846.72x = 5,336,477,680.20
  5. Step 5: Solve for x
    x = 5,336,477,680.20/83,846.72
  6. Step 6: Final answer
    x = 63,645.64

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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.