Home / 79,261.41-109,387.65-43,458.25

Finding the Fourth Proportional to 79,261.41, 109,387.65 and 43,458.25

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Solution

The fourth proportional to 79,261.41, 109,387.65 and 43,458.25 is: 59,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.41 : 109,387.65 = 43,458.25 : x
  2. Step 2: Convert to fraction form
    79,261.41/109,387.65 = 43,458.25/x
  3. Step 3: Cross multiply
    79,261.41x = 109,387.65 × 43,458.25
  4. Step 4: Simplify right side
    79,261.41x = 4,753,795,840.61
  5. Step 5: Solve for x
    x = 4,753,795,840.61/79,261.41
  6. Step 6: Final answer
    x = 59,976.17

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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.