Home / 88,206.73-121,716.51-49,958.65

Finding the Fourth Proportional to 88,206.73, 121,716.51 and 49,958.65

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Solution

The fourth proportional to 88,206.73, 121,716.51 and 49,958.65 is: 68,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,206.73 : 121,716.51 = 49,958.65 : x
  2. Step 2: Convert to fraction form
    88,206.73/121,716.51 = 49,958.65/x
  3. Step 3: Cross multiply
    88,206.73x = 121,716.51 × 49,958.65
  4. Step 4: Simplify right side
    88,206.73x = 6,080,792,522.31
  5. Step 5: Solve for x
    x = 6,080,792,522.31/88,206.73
  6. Step 6: Final answer
    x = 68,937.97

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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.