Home / 71,631.97-98,850.33-39,800.95

Finding the Fourth Proportional to 71,631.97, 98,850.33 and 39,800.95

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Solution

The fourth proportional to 71,631.97, 98,850.33 and 39,800.95 is: 54,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,631.97 : 98,850.33 = 39,800.95 : x
  2. Step 2: Convert to fraction form
    71,631.97/98,850.33 = 39,800.95/x
  3. Step 3: Cross multiply
    71,631.97x = 98,850.33 × 39,800.95
  4. Step 4: Simplify right side
    71,631.97x = 3,934,336,794.69
  5. Step 5: Solve for x
    x = 3,934,336,794.69/71,631.97
  6. Step 6: Final answer
    x = 54,924.32

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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.