Home / 83,354.73-115,022.23-49,357.11

Finding the Fourth Proportional to 83,354.73, 115,022.23 and 49,357.11

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Solution

The fourth proportional to 83,354.73, 115,022.23 and 49,357.11 is: 68,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.73 : 115,022.23 = 49,357.11 : x
  2. Step 2: Convert to fraction form
    83,354.73/115,022.23 = 49,357.11/x
  3. Step 3: Cross multiply
    83,354.73x = 115,022.23 × 49,357.11
  4. Step 4: Simplify right side
    83,354.73x = 5,677,164,858.56
  5. Step 5: Solve for x
    x = 5,677,164,858.56/83,354.73
  6. Step 6: Final answer
    x = 68,108.49

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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.