Home / 83,481.69-115,184.07-49,498.14

Finding the Fourth Proportional to 83,481.69, 115,184.07 and 49,498.14

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Solution

The fourth proportional to 83,481.69, 115,184.07 and 49,498.14 is: 68,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.69 : 115,184.07 = 49,498.14 : x
  2. Step 2: Convert to fraction form
    83,481.69/115,184.07 = 49,498.14/x
  3. Step 3: Cross multiply
    83,481.69x = 115,184.07 × 49,498.14
  4. Step 4: Simplify right side
    83,481.69x = 5,701,397,222.63
  5. Step 5: Solve for x
    x = 5,701,397,222.63/83,481.69
  6. Step 6: Final answer
    x = 68,295.18

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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.