Home / 80,331.72-110,873.48-51,241.36

Finding the Fourth Proportional to 80,331.72, 110,873.48 and 51,241.36

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Solution

The fourth proportional to 80,331.72, 110,873.48 and 51,241.36 is: 70,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,331.72 : 110,873.48 = 51,241.36 : x
  2. Step 2: Convert to fraction form
    80,331.72/110,873.48 = 51,241.36/x
  3. Step 3: Cross multiply
    80,331.72x = 110,873.48 × 51,241.36
  4. Step 4: Simplify right side
    80,331.72x = 5,681,307,903.13
  5. Step 5: Solve for x
    x = 5,681,307,903.13/80,331.72
  6. Step 6: Final answer
    x = 70,723.10

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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.