Home / 75,418.73-113,175.73-42,160.61

Finding the Fourth Proportional to 75,418.73, 113,175.73 and 42,160.61

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Solution

The fourth proportional to 75,418.73, 113,175.73 and 42,160.61 is: 63,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.73 : 113,175.73 = 42,160.61 : x
  2. Step 2: Convert to fraction form
    75,418.73/113,175.73 = 42,160.61/x
  3. Step 3: Cross multiply
    75,418.73x = 113,175.73 × 42,160.61
  4. Step 4: Simplify right side
    75,418.73x = 4,771,557,248.12
  5. Step 5: Solve for x
    x = 4,771,557,248.12/75,418.73
  6. Step 6: Final answer
    x = 63,267.54

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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.