Home / 68,901.32-95,076.44-38,689.94

Finding the Fourth Proportional to 68,901.32, 95,076.44 and 38,689.94

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Solution

The fourth proportional to 68,901.32, 95,076.44 and 38,689.94 is: 53,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.32 : 95,076.44 = 38,689.94 : x
  2. Step 2: Convert to fraction form
    68,901.32/95,076.44 = 38,689.94/x
  3. Step 3: Cross multiply
    68,901.32x = 95,076.44 × 38,689.94
  4. Step 4: Simplify right side
    68,901.32x = 3,678,501,759.01
  5. Step 5: Solve for x
    x = 3,678,501,759.01/68,901.32
  6. Step 6: Final answer
    x = 53,387.97

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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.