Home / 75,848.38-113,195.82-67,441.08

Finding the Fourth Proportional to 75,848.38, 113,195.82 and 67,441.08

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Solution

The fourth proportional to 75,848.38, 113,195.82 and 67,441.08 is: 100,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848.38 : 113,195.82 = 67,441.08 : x
  2. Step 2: Convert to fraction form
    75,848.38/113,195.82 = 67,441.08/x
  3. Step 3: Cross multiply
    75,848.38x = 113,195.82 × 67,441.08
  4. Step 4: Simplify right side
    75,848.38x = 7,634,048,352.29
  5. Step 5: Solve for x
    x = 7,634,048,352.29/75,848.38
  6. Step 6: Final answer
    x = 100,648.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.