Home / 77,745.05-116,618.12-33,334.37

Finding the Fourth Proportional to 77,745.05, 116,618.12 and 33,334.37

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Solution

The fourth proportional to 77,745.05, 116,618.12 and 33,334.37 is: 50,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,745.05 : 116,618.12 = 33,334.37 : x
  2. Step 2: Convert to fraction form
    77,745.05/116,618.12 = 33,334.37/x
  3. Step 3: Cross multiply
    77,745.05x = 116,618.12 × 33,334.37
  4. Step 4: Simplify right side
    77,745.05x = 3,887,391,394.11
  5. Step 5: Solve for x
    x = 3,887,391,394.11/77,745.05
  6. Step 6: Final answer
    x = 50,001.79

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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.