Home / 68,126.18-102,189.31-32,579.10

Finding the Fourth Proportional to 68,126.18, 102,189.31 and 32,579.10

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Solution

The fourth proportional to 68,126.18, 102,189.31 and 32,579.10 is: 48,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126.18 : 102,189.31 = 32,579.10 : x
  2. Step 2: Convert to fraction form
    68,126.18/102,189.31 = 32,579.10/x
  3. Step 3: Cross multiply
    68,126.18x = 102,189.31 × 32,579.10
  4. Step 4: Simplify right side
    68,126.18x = 3,329,235,667.97
  5. Step 5: Solve for x
    x = 3,329,235,667.97/68,126.18
  6. Step 6: Final answer
    x = 48,868.67

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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.