Home / 77,608.20-107,093.40-43,610.26

Finding the Fourth Proportional to 77,608.20, 107,093.40 and 43,610.26

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Solution

The fourth proportional to 77,608.20, 107,093.40 and 43,610.26 is: 60,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,608.20 : 107,093.40 = 43,610.26 : x
  2. Step 2: Convert to fraction form
    77,608.20/107,093.40 = 43,610.26/x
  3. Step 3: Cross multiply
    77,608.20x = 107,093.40 × 43,610.26
  4. Step 4: Simplify right side
    77,608.20x = 4,670,371,245.05
  5. Step 5: Solve for x
    x = 4,670,371,245.05/77,608.20
  6. Step 6: Final answer
    x = 60,178.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.