Home / 75,546.63-113,321.25-25,628.02

Finding the Fourth Proportional to 75,546.63, 113,321.25 and 25,628.02

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Solution

The fourth proportional to 75,546.63, 113,321.25 and 25,628.02 is: 38,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,546.63 : 113,321.25 = 25,628.02 : x
  2. Step 2: Convert to fraction form
    75,546.63/113,321.25 = 25,628.02/x
  3. Step 3: Cross multiply
    75,546.63x = 113,321.25 × 25,628.02
  4. Step 4: Simplify right side
    75,546.63x = 2,904,198,978.12
  5. Step 5: Solve for x
    x = 2,904,198,978.12/75,546.63
  6. Step 6: Final answer
    x = 38,442.47

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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.