Home / 45,405.56-68,172.12-23,234.84

Finding the Fourth Proportional to 45,405.56, 68,172.12 and 23,234.84

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Solution

The fourth proportional to 45,405.56, 68,172.12 and 23,234.84 is: 34,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,405.56 : 68,172.12 = 23,234.84 : x
  2. Step 2: Convert to fraction form
    45,405.56/68,172.12 = 23,234.84/x
  3. Step 3: Cross multiply
    45,405.56x = 68,172.12 × 23,234.84
  4. Step 4: Simplify right side
    45,405.56x = 1,583,968,300.66
  5. Step 5: Solve for x
    x = 1,583,968,300.66/45,405.56
  6. Step 6: Final answer
    x = 34,884.90

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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.