Home / 75,634.32-113,464.98-25,711.79

Finding the Fourth Proportional to 75,634.32, 113,464.98 and 25,711.79

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Solution

The fourth proportional to 75,634.32, 113,464.98 and 25,711.79 is: 38,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,634.32 : 113,464.98 = 25,711.79 : x
  2. Step 2: Convert to fraction form
    75,634.32/113,464.98 = 25,711.79/x
  3. Step 3: Cross multiply
    75,634.32x = 113,464.98 × 25,711.79
  4. Step 4: Simplify right side
    75,634.32x = 2,917,387,738.11
  5. Step 5: Solve for x
    x = 2,917,387,738.11/75,634.32
  6. Step 6: Final answer
    x = 38,572.27

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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.