Home / 45,766.95-68,660.47-13,744.61

Finding the Fourth Proportional to 45,766.95, 68,660.47 and 13,744.61

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Solution

The fourth proportional to 45,766.95, 68,660.47 and 13,744.61 is: 20,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,766.95 : 68,660.47 = 13,744.61 : x
  2. Step 2: Convert to fraction form
    45,766.95/68,660.47 = 13,744.61/x
  3. Step 3: Cross multiply
    45,766.95x = 68,660.47 × 13,744.61
  4. Step 4: Simplify right side
    45,766.95x = 943,711,382.57
  5. Step 5: Solve for x
    x = 943,711,382.57/45,766.95
  6. Step 6: Final answer
    x = 20,619.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.