Home / 110,113.92-151,964.57-61,716.42

Finding the Fourth Proportional to 110,113.92, 151,964.57 and 61,716.42

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Solution

The fourth proportional to 110,113.92, 151,964.57 and 61,716.42 is: 85,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,113.92 : 151,964.57 = 61,716.42 : x
  2. Step 2: Convert to fraction form
    110,113.92/151,964.57 = 61,716.42/x
  3. Step 3: Cross multiply
    110,113.92x = 151,964.57 × 61,716.42
  4. Step 4: Simplify right side
    110,113.92x = 9,378,709,227.24
  5. Step 5: Solve for x
    x = 9,378,709,227.24/110,113.92
  6. Step 6: Final answer
    x = 85,172.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.