Home / 75,955.50-113,906.84-42,272.90

Finding the Fourth Proportional to 75,955.50, 113,906.84 and 42,272.90

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Solution

The fourth proportional to 75,955.50, 113,906.84 and 42,272.90 is: 63,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,955.50 : 113,906.84 = 42,272.90 : x
  2. Step 2: Convert to fraction form
    75,955.50/113,906.84 = 42,272.90/x
  3. Step 3: Cross multiply
    75,955.50x = 113,906.84 × 42,272.90
  4. Step 4: Simplify right side
    75,955.50x = 4,815,172,456.64
  5. Step 5: Solve for x
    x = 4,815,172,456.64/75,955.50
  6. Step 6: Final answer
    x = 63,394.65

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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.