Home / 45,621.30-68,380.84-29,856.67

Finding the Fourth Proportional to 45,621.30, 68,380.84 and 29,856.67

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Solution

The fourth proportional to 45,621.30, 68,380.84 and 29,856.67 is: 44,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.30 : 68,380.84 = 29,856.67 : x
  2. Step 2: Convert to fraction form
    45,621.30/68,380.84 = 29,856.67/x
  3. Step 3: Cross multiply
    45,621.30x = 68,380.84 × 29,856.67
  4. Step 4: Simplify right side
    45,621.30x = 2,041,624,174.20
  5. Step 5: Solve for x
    x = 2,041,624,174.20/45,621.30
  6. Step 6: Final answer
    x = 44,751.56

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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.