Home / 79,563.66-119,321.11-26,245.81

Finding the Fourth Proportional to 79,563.66, 119,321.11 and 26,245.81

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Solution

The fourth proportional to 79,563.66, 119,321.11 and 26,245.81 is: 39,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563.66 : 119,321.11 = 26,245.81 : x
  2. Step 2: Convert to fraction form
    79,563.66/119,321.11 = 26,245.81/x
  3. Step 3: Cross multiply
    79,563.66x = 119,321.11 × 26,245.81
  4. Step 4: Simplify right side
    79,563.66x = 3,131,679,182.05
  5. Step 5: Solve for x
    x = 3,131,679,182.05/79,563.66
  6. Step 6: Final answer
    x = 39,360.67

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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.