Home / 77,942.02-107,555.94-43,949.56

Finding the Fourth Proportional to 77,942.02, 107,555.94 and 43,949.56

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Solution

The fourth proportional to 77,942.02, 107,555.94 and 43,949.56 is: 60,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,942.02 : 107,555.94 = 43,949.56 : x
  2. Step 2: Convert to fraction form
    77,942.02/107,555.94 = 43,949.56/x
  3. Step 3: Cross multiply
    77,942.02x = 107,555.94 × 43,949.56
  4. Step 4: Simplify right side
    77,942.02x = 4,727,036,238.39
  5. Step 5: Solve for x
    x = 4,727,036,238.39/77,942.02
  6. Step 6: Final answer
    x = 60,648.11

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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.