Home / 89,794.05-134,691.75-39,860.72

Finding the Fourth Proportional to 89,794.05, 134,691.75 and 39,860.72

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Solution

The fourth proportional to 89,794.05, 134,691.75 and 39,860.72 is: 59,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794.05 : 134,691.75 = 39,860.72 : x
  2. Step 2: Convert to fraction form
    89,794.05/134,691.75 = 39,860.72/x
  3. Step 3: Cross multiply
    89,794.05x = 134,691.75 × 39,860.72
  4. Step 4: Simplify right side
    89,794.05x = 5,368,910,133.06
  5. Step 5: Solve for x
    x = 5,368,910,133.06/89,794.05
  6. Step 6: Final answer
    x = 59,791.38

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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.