Home / 99,912.77-149,865.68-25,033.55

Finding the Fourth Proportional to 99,912.77, 149,865.68 and 25,033.55

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Solution

The fourth proportional to 99,912.77, 149,865.68 and 25,033.55 is: 37,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,912.77 : 149,865.68 = 25,033.55 : x
  2. Step 2: Convert to fraction form
    99,912.77/149,865.68 = 25,033.55/x
  3. Step 3: Cross multiply
    99,912.77x = 149,865.68 × 25,033.55
  4. Step 4: Simplify right side
    99,912.77x = 3,751,669,119.07
  5. Step 5: Solve for x
    x = 3,751,669,119.07/99,912.77
  6. Step 6: Final answer
    x = 37,549.45

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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.