Home / 45,449.16-68,186.72-15,469.98

Finding the Fourth Proportional to 45,449.16, 68,186.72 and 15,469.98

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Solution

The fourth proportional to 45,449.16, 68,186.72 and 15,469.98 is: 23,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.16 : 68,186.72 = 15,469.98 : x
  2. Step 2: Convert to fraction form
    45,449.16/68,186.72 = 15,469.98/x
  3. Step 3: Cross multiply
    45,449.16x = 68,186.72 × 15,469.98
  4. Step 4: Simplify right side
    45,449.16x = 1,054,847,361.19
  5. Step 5: Solve for x
    x = 1,054,847,361.19/45,449.16
  6. Step 6: Final answer
    x = 23,209.39

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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.