Home / 76,945.82-115,363.41-36,396.84

Finding the Fourth Proportional to 76,945.82, 115,363.41 and 36,396.84

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Solution

The fourth proportional to 76,945.82, 115,363.41 and 36,396.84 is: 54,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.82 : 115,363.41 = 36,396.84 : x
  2. Step 2: Convert to fraction form
    76,945.82/115,363.41 = 36,396.84/x
  3. Step 3: Cross multiply
    76,945.82x = 115,363.41 × 36,396.84
  4. Step 4: Simplify right side
    76,945.82x = 4,198,863,575.62
  5. Step 5: Solve for x
    x = 4,198,863,575.62/76,945.82
  6. Step 6: Final answer
    x = 54,569.10

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1.5x scale

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.