Home / 88,107.46-121,559.35-49,863.21

Finding the Fourth Proportional to 88,107.46, 121,559.35 and 49,863.21

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Solution

The fourth proportional to 88,107.46, 121,559.35 and 49,863.21 is: 68,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107.46 : 121,559.35 = 49,863.21 : x
  2. Step 2: Convert to fraction form
    88,107.46/121,559.35 = 49,863.21/x
  3. Step 3: Cross multiply
    88,107.46x = 121,559.35 × 49,863.21
  4. Step 4: Simplify right side
    88,107.46x = 6,061,339,593.27
  5. Step 5: Solve for x
    x = 6,061,339,593.27/88,107.46
  6. Step 6: Final answer
    x = 68,794.85

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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.