Home / 68,905.76-95,220.48-58,695.36

Finding the Fourth Proportional to 68,905.76, 95,220.48 and 58,695.36

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Solution

The fourth proportional to 68,905.76, 95,220.48 and 58,695.36 is: 81,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.76 : 95,220.48 = 58,695.36 : x
  2. Step 2: Convert to fraction form
    68,905.76/95,220.48 = 58,695.36/x
  3. Step 3: Cross multiply
    68,905.76x = 95,220.48 × 58,695.36
  4. Step 4: Simplify right side
    68,905.76x = 5,589,000,352.97
  5. Step 5: Solve for x
    x = 5,589,000,352.97/68,905.76
  6. Step 6: Final answer
    x = 81,110.79

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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.