Home / 68,623.80-102,945.30-29,180.60

Finding the Fourth Proportional to 68,623.80, 102,945.30 and 29,180.60

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Solution

The fourth proportional to 68,623.80, 102,945.30 and 29,180.60 is: 43,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.80 : 102,945.30 = 29,180.60 : x
  2. Step 2: Convert to fraction form
    68,623.80/102,945.30 = 29,180.60/x
  3. Step 3: Cross multiply
    68,623.80x = 102,945.30 × 29,180.60
  4. Step 4: Simplify right side
    68,623.80x = 3,004,005,621.18
  5. Step 5: Solve for x
    x = 3,004,005,621.18/68,623.80
  6. Step 6: Final answer
    x = 43,774.98

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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.