Home / 68,844.71-103,066.48-51,153.78

Finding the Fourth Proportional to 68,844.71, 103,066.48 and 51,153.78

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Solution

The fourth proportional to 68,844.71, 103,066.48 and 51,153.78 is: 76,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,844.71 : 103,066.48 = 51,153.78 : x
  2. Step 2: Convert to fraction form
    68,844.71/103,066.48 = 51,153.78/x
  3. Step 3: Cross multiply
    68,844.71x = 103,066.48 × 51,153.78
  4. Step 4: Simplify right side
    68,844.71x = 5,272,240,043.29
  5. Step 5: Solve for x
    x = 5,272,240,043.29/68,844.71
  6. Step 6: Final answer
    x = 76,581.63

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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.