Home / 97,069.20-133,949.80-54,626

Finding the Fourth Proportional to 97,069.20, 133,949.80 and 54,626

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Solution

The fourth proportional to 97,069.20, 133,949.80 and 54,626 is: 75,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,069.20 : 133,949.80 = 54,626 : x
  2. Step 2: Convert to fraction form
    97,069.20/133,949.80 = 54,626/x
  3. Step 3: Cross multiply
    97,069.20x = 133,949.80 × 54,626
  4. Step 4: Simplify right side
    97,069.20x = 7,317,141,774.80
  5. Step 5: Solve for x
    x = 7,317,141,774.80/97,069.20
  6. Step 6: Final answer
    x = 75,380.67

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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.