Home / 77,087.82-115,579.11-41,069.67

Finding the Fourth Proportional to 77,087.82, 115,579.11 and 41,069.67

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Solution

The fourth proportional to 77,087.82, 115,579.11 and 41,069.67 is: 61,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.82 : 115,579.11 = 41,069.67 : x
  2. Step 2: Convert to fraction form
    77,087.82/115,579.11 = 41,069.67/x
  3. Step 3: Cross multiply
    77,087.82x = 115,579.11 × 41,069.67
  4. Step 4: Simplify right side
    77,087.82x = 4,746,795,328.70
  5. Step 5: Solve for x
    x = 4,746,795,328.70/77,087.82
  6. Step 6: Final answer
    x = 61,576.46

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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.