Home / 68,512.44-94,485.74-57,065.38

Finding the Fourth Proportional to 68,512.44, 94,485.74 and 57,065.38

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Solution

The fourth proportional to 68,512.44, 94,485.74 and 57,065.38 is: 78,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,512.44 : 94,485.74 = 57,065.38 : x
  2. Step 2: Convert to fraction form
    68,512.44/94,485.74 = 57,065.38/x
  3. Step 3: Cross multiply
    68,512.44x = 94,485.74 × 57,065.38
  4. Step 4: Simplify right side
    68,512.44x = 5,391,864,657.68
  5. Step 5: Solve for x
    x = 5,391,864,657.68/68,512.44
  6. Step 6: Final answer
    x = 78,699.06

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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.