Home / 68,728.19-94,788.67-48,377.62

Finding the Fourth Proportional to 68,728.19, 94,788.67 and 48,377.62

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Solution

The fourth proportional to 68,728.19, 94,788.67 and 48,377.62 is: 66,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,728.19 : 94,788.67 = 48,377.62 : x
  2. Step 2: Convert to fraction form
    68,728.19/94,788.67 = 48,377.62/x
  3. Step 3: Cross multiply
    68,728.19x = 94,788.67 × 48,377.62
  4. Step 4: Simplify right side
    68,728.19x = 4,585,650,257.57
  5. Step 5: Solve for x
    x = 4,585,650,257.57/68,728.19
  6. Step 6: Final answer
    x = 66,721.53

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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.