Home / 75,911.25-113,936.31-38,497.14

Finding the Fourth Proportional to 75,911.25, 113,936.31 and 38,497.14

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Solution

The fourth proportional to 75,911.25, 113,936.31 and 38,497.14 is: 57,780.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.25 : 113,936.31 = 38,497.14 : x
  2. Step 2: Convert to fraction form
    75,911.25/113,936.31 = 38,497.14/x
  3. Step 3: Cross multiply
    75,911.25x = 113,936.31 × 38,497.14
  4. Step 4: Simplify right side
    75,911.25x = 4,386,222,077.15
  5. Step 5: Solve for x
    x = 4,386,222,077.15/75,911.25
  6. Step 6: Final answer
    x = 57,780.92

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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.