Home / 75,344.36-113,016.54-28,597.22

Finding the Fourth Proportional to 75,344.36, 113,016.54 and 28,597.22

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Solution

The fourth proportional to 75,344.36, 113,016.54 and 28,597.22 is: 42,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,344.36 : 113,016.54 = 28,597.22 : x
  2. Step 2: Convert to fraction form
    75,344.36/113,016.54 = 28,597.22/x
  3. Step 3: Cross multiply
    75,344.36x = 113,016.54 × 28,597.22
  4. Step 4: Simplify right side
    75,344.36x = 3,231,958,858.02
  5. Step 5: Solve for x
    x = 3,231,958,858.02/75,344.36
  6. Step 6: Final answer
    x = 42,895.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.