Home / 68,566.20-102,887.70-29,116.60

Finding the Fourth Proportional to 68,566.20, 102,887.70 and 29,116.60

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Solution

The fourth proportional to 68,566.20, 102,887.70 and 29,116.60 is: 43,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,566.20 : 102,887.70 = 29,116.60 : x
  2. Step 2: Convert to fraction form
    68,566.20/102,887.70 = 29,116.60/x
  3. Step 3: Cross multiply
    68,566.20x = 102,887.70 × 29,116.60
  4. Step 4: Simplify right side
    68,566.20x = 2,995,740,005.82
  5. Step 5: Solve for x
    x = 2,995,740,005.82/68,566.20
  6. Step 6: Final answer
    x = 43,691.21

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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.