Home / 68,173.31-94,079.21-39,884.47

Finding the Fourth Proportional to 68,173.31, 94,079.21 and 39,884.47

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Solution

The fourth proportional to 68,173.31, 94,079.21 and 39,884.47 is: 55,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,173.31 : 94,079.21 = 39,884.47 : x
  2. Step 2: Convert to fraction form
    68,173.31/94,079.21 = 39,884.47/x
  3. Step 3: Cross multiply
    68,173.31x = 94,079.21 × 39,884.47
  4. Step 4: Simplify right side
    68,173.31x = 3,752,298,994.25
  5. Step 5: Solve for x
    x = 3,752,298,994.25/68,173.31
  6. Step 6: Final answer
    x = 55,040.58

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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.