Home / 75,891.38-113,838.62-26,028.79

Finding the Fourth Proportional to 75,891.38, 113,838.62 and 26,028.79

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Solution

The fourth proportional to 75,891.38, 113,838.62 and 26,028.79 is: 39,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,891.38 : 113,838.62 = 26,028.79 : x
  2. Step 2: Convert to fraction form
    75,891.38/113,838.62 = 26,028.79/x
  3. Step 3: Cross multiply
    75,891.38x = 113,838.62 × 26,028.79
  4. Step 4: Simplify right side
    75,891.38x = 2,963,081,533.87
  5. Step 5: Solve for x
    x = 2,963,081,533.87/75,891.38
  6. Step 6: Final answer
    x = 39,043.72

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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.