Home / 68,917.76-103,382.40-29,473.28

Finding the Fourth Proportional to 68,917.76, 103,382.40 and 29,473.28

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Solution

The fourth proportional to 68,917.76, 103,382.40 and 29,473.28 is: 44,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.76 : 103,382.40 = 29,473.28 : x
  2. Step 2: Convert to fraction form
    68,917.76/103,382.40 = 29,473.28/x
  3. Step 3: Cross multiply
    68,917.76x = 103,382.40 × 29,473.28
  4. Step 4: Simplify right side
    68,917.76x = 3,047,018,422.27
  5. Step 5: Solve for x
    x = 3,047,018,422.27/68,917.76
  6. Step 6: Final answer
    x = 44,212.38

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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.