Home / 81,057.26-111,858.72-45,246.98

Finding the Fourth Proportional to 81,057.26, 111,858.72 and 45,246.98

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Solution

The fourth proportional to 81,057.26, 111,858.72 and 45,246.98 is: 62,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057.26 : 111,858.72 = 45,246.98 : x
  2. Step 2: Convert to fraction form
    81,057.26/111,858.72 = 45,246.98/x
  3. Step 3: Cross multiply
    81,057.26x = 111,858.72 × 45,246.98
  4. Step 4: Simplify right side
    81,057.26x = 5,061,269,266.67
  5. Step 5: Solve for x
    x = 5,061,269,266.67/81,057.26
  6. Step 6: Final answer
    x = 62,440.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.