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Finding the Fourth Proportional to 75,367.34, 113,067.01 and 28,619.18

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Solution

The fourth proportional to 75,367.34, 113,067.01 and 28,619.18 is: 42,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,367.34 : 113,067.01 = 28,619.18 : x
  2. Step 2: Convert to fraction form
    75,367.34/113,067.01 = 28,619.18/x
  3. Step 3: Cross multiply
    75,367.34x = 113,067.01 × 28,619.18
  4. Step 4: Simplify right side
    75,367.34x = 3,235,885,111.25
  5. Step 5: Solve for x
    x = 3,235,885,111.25/75,367.34
  6. Step 6: Final answer
    x = 42,934.85

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1.5x scale

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.