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Finding the Fourth Proportional to 75,059.32, 103,579.74 and 41,067.08

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Solution

The fourth proportional to 75,059.32, 103,579.74 and 41,067.08 is: 56,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,059.32 : 103,579.74 = 41,067.08 : x
  2. Step 2: Convert to fraction form
    75,059.32/103,579.74 = 41,067.08/x
  3. Step 3: Cross multiply
    75,059.32x = 103,579.74 × 41,067.08
  4. Step 4: Simplify right side
    75,059.32x = 4,253,716,932.67
  5. Step 5: Solve for x
    x = 4,253,716,932.67/75,059.32
  6. Step 6: Final answer
    x = 56,671.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.