Home / 83,827.05-115,675.52-49,833.78

Finding the Fourth Proportional to 83,827.05, 115,675.52 and 49,833.78

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Solution

The fourth proportional to 83,827.05, 115,675.52 and 49,833.78 is: 68,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.05 : 115,675.52 = 49,833.78 : x
  2. Step 2: Convert to fraction form
    83,827.05/115,675.52 = 49,833.78/x
  3. Step 3: Cross multiply
    83,827.05x = 115,675.52 × 49,833.78
  4. Step 4: Simplify right side
    83,827.05x = 5,764,548,415.07
  5. Step 5: Solve for x
    x = 5,764,548,415.07/83,827.05
  6. Step 6: Final answer
    x = 68,767.16

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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.