Home / 75,078.05-112,498.52-60,969.42

Finding the Fourth Proportional to 75,078.05, 112,498.52 and 60,969.42

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Solution

The fourth proportional to 75,078.05, 112,498.52 and 60,969.42 is: 91,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,078.05 : 112,498.52 = 60,969.42 : x
  2. Step 2: Convert to fraction form
    75,078.05/112,498.52 = 60,969.42/x
  3. Step 3: Cross multiply
    75,078.05x = 112,498.52 × 60,969.42
  4. Step 4: Simplify right side
    75,078.05x = 6,858,969,236.96
  5. Step 5: Solve for x
    x = 6,858,969,236.96/75,078.05
  6. Step 6: Final answer
    x = 91,357.85

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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.