Home / 75,564.30-113,346.64-36,112.44

Finding the Fourth Proportional to 75,564.30, 113,346.64 and 36,112.44

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Solution

The fourth proportional to 75,564.30, 113,346.64 and 36,112.44 is: 54,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,564.30 : 113,346.64 = 36,112.44 : x
  2. Step 2: Convert to fraction form
    75,564.30/113,346.64 = 36,112.44/x
  3. Step 3: Cross multiply
    75,564.30x = 113,346.64 × 36,112.44
  4. Step 4: Simplify right side
    75,564.30x = 4,093,223,736.20
  5. Step 5: Solve for x
    x = 4,093,223,736.20/75,564.30
  6. Step 6: Final answer
    x = 54,168.75

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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.