Home / 68,976.08-95,184.24-38,761.28

Finding the Fourth Proportional to 68,976.08, 95,184.24 and 38,761.28

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Solution

The fourth proportional to 68,976.08, 95,184.24 and 38,761.28 is: 53,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.08 : 95,184.24 = 38,761.28 : x
  2. Step 2: Convert to fraction form
    68,976.08/95,184.24 = 38,761.28/x
  3. Step 3: Cross multiply
    68,976.08x = 95,184.24 × 38,761.28
  4. Step 4: Simplify right side
    68,976.08x = 3,689,462,978.23
  5. Step 5: Solve for x
    x = 3,689,462,978.23/68,976.08
  6. Step 6: Final answer
    x = 53,489.02

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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.