Home / 78,327.44-108,092.00-42,517.47

Finding the Fourth Proportional to 78,327.44, 108,092.00 and 42,517.47

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Solution

The fourth proportional to 78,327.44, 108,092.00 and 42,517.47 is: 58,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,327.44 : 108,092.00 = 42,517.47 : x
  2. Step 2: Convert to fraction form
    78,327.44/108,092.00 = 42,517.47/x
  3. Step 3: Cross multiply
    78,327.44x = 108,092.00 × 42,517.47
  4. Step 4: Simplify right side
    78,327.44x = 4,595,798,878.88
  5. Step 5: Solve for x
    x = 4,595,798,878.88/78,327.44
  6. Step 6: Final answer
    x = 58,674.19

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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.