Home / 68,159.12-94,033.44-42,305.54

Finding the Fourth Proportional to 68,159.12, 94,033.44 and 42,305.54

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Solution

The fourth proportional to 68,159.12, 94,033.44 and 42,305.54 is: 58,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.12 : 94,033.44 = 42,305.54 : x
  2. Step 2: Convert to fraction form
    68,159.12/94,033.44 = 42,305.54/x
  3. Step 3: Cross multiply
    68,159.12x = 94,033.44 × 42,305.54
  4. Step 4: Simplify right side
    68,159.12x = 3,978,134,987.09
  5. Step 5: Solve for x
    x = 3,978,134,987.09/68,159.12
  6. Step 6: Final answer
    x = 58,365.41

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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.