Home / 75,525.22-113,243.91-55,546.66

Finding the Fourth Proportional to 75,525.22, 113,243.91 and 55,546.66

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Solution

The fourth proportional to 75,525.22, 113,243.91 and 55,546.66 is: 83,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,525.22 : 113,243.91 = 55,546.66 : x
  2. Step 2: Convert to fraction form
    75,525.22/113,243.91 = 55,546.66/x
  3. Step 3: Cross multiply
    75,525.22x = 113,243.91 × 55,546.66
  4. Step 4: Simplify right side
    75,525.22x = 6,290,320,965.84
  5. Step 5: Solve for x
    x = 6,290,320,965.84/75,525.22
  6. Step 6: Final answer
    x = 83,287.69

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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.