Home / 68,287.20-94,202.84-45,631.76

Finding the Fourth Proportional to 68,287.20, 94,202.84 and 45,631.76

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Solution

The fourth proportional to 68,287.20, 94,202.84 and 45,631.76 is: 62,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,287.20 : 94,202.84 = 45,631.76 : x
  2. Step 2: Convert to fraction form
    68,287.20/94,202.84 = 45,631.76/x
  3. Step 3: Cross multiply
    68,287.20x = 94,202.84 × 45,631.76
  4. Step 4: Simplify right side
    68,287.20x = 4,298,640,915.18
  5. Step 5: Solve for x
    x = 4,298,640,915.18/68,287.20
  6. Step 6: Final answer
    x = 62,949.44

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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.