Home / 40,764.70-61,147.05-11,182.75

Finding the Fourth Proportional to 40,764.70, 61,147.05 and 11,182.75

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Solution

The fourth proportional to 40,764.70, 61,147.05 and 11,182.75 is: 16,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,764.70 : 61,147.05 = 11,182.75 : x
  2. Step 2: Convert to fraction form
    40,764.70/61,147.05 = 11,182.75/x
  3. Step 3: Cross multiply
    40,764.70x = 61,147.05 × 11,182.75
  4. Step 4: Simplify right side
    40,764.70x = 683,792,173.39
  5. Step 5: Solve for x
    x = 683,792,173.39/40,764.70
  6. Step 6: Final answer
    x = 16,774.13

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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.