Home / 68,065.92-93,917.21-39,766.14

Finding the Fourth Proportional to 68,065.92, 93,917.21 and 39,766.14

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Solution

The fourth proportional to 68,065.92, 93,917.21 and 39,766.14 is: 54,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.92 : 93,917.21 = 39,766.14 : x
  2. Step 2: Convert to fraction form
    68,065.92/93,917.21 = 39,766.14/x
  3. Step 3: Cross multiply
    68,065.92x = 93,917.21 × 39,766.14
  4. Step 4: Simplify right side
    68,065.92x = 3,734,724,722.44
  5. Step 5: Solve for x
    x = 3,734,724,722.44/68,065.92
  6. Step 6: Final answer
    x = 54,869.23

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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.