Home / 68,242.60-94,175.16-39,579.25

Finding the Fourth Proportional to 68,242.60, 94,175.16 and 39,579.25

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Solution

The fourth proportional to 68,242.60, 94,175.16 and 39,579.25 is: 54,619.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,242.60 : 94,175.16 = 39,579.25 : x
  2. Step 2: Convert to fraction form
    68,242.60/94,175.16 = 39,579.25/x
  3. Step 3: Cross multiply
    68,242.60x = 94,175.16 × 39,579.25
  4. Step 4: Simplify right side
    68,242.60x = 3,727,382,201.43
  5. Step 5: Solve for x
    x = 3,727,382,201.43/68,242.60
  6. Step 6: Final answer
    x = 54,619.58

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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.