Home / 76,378.06-114,514.44-33,662.76

Finding the Fourth Proportional to 76,378.06, 114,514.44 and 33,662.76

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Solution

The fourth proportional to 76,378.06, 114,514.44 and 33,662.76 is: 50,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,378.06 : 114,514.44 = 33,662.76 : x
  2. Step 2: Convert to fraction form
    76,378.06/114,514.44 = 33,662.76/x
  3. Step 3: Cross multiply
    76,378.06x = 114,514.44 × 33,662.76
  4. Step 4: Simplify right side
    76,378.06x = 3,854,872,110.25
  5. Step 5: Solve for x
    x = 3,854,872,110.25/76,378.06
  6. Step 6: Final answer
    x = 50,470.94

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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.