Home / 75,351.06-113,063.32-30,991.14

Finding the Fourth Proportional to 75,351.06, 113,063.32 and 30,991.14

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Solution

The fourth proportional to 75,351.06, 113,063.32 and 30,991.14 is: 46,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,351.06 : 113,063.32 = 30,991.14 : x
  2. Step 2: Convert to fraction form
    75,351.06/113,063.32 = 30,991.14/x
  3. Step 3: Cross multiply
    75,351.06x = 113,063.32 × 30,991.14
  4. Step 4: Simplify right side
    75,351.06x = 3,503,961,178.98
  5. Step 5: Solve for x
    x = 3,503,961,178.98/75,351.06
  6. Step 6: Final answer
    x = 46,501.82

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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.