Home / 76,775.99-115,010.42-60,057.27

Finding the Fourth Proportional to 76,775.99, 115,010.42 and 60,057.27

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Solution

The fourth proportional to 76,775.99, 115,010.42 and 60,057.27 is: 89,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,775.99 : 115,010.42 = 60,057.27 : x
  2. Step 2: Convert to fraction form
    76,775.99/115,010.42 = 60,057.27/x
  3. Step 3: Cross multiply
    76,775.99x = 115,010.42 × 60,057.27
  4. Step 4: Simplify right side
    76,775.99x = 6,907,211,546.47
  5. Step 5: Solve for x
    x = 6,907,211,546.47/76,775.99
  6. Step 6: Final answer
    x = 89,965.78

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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.