Home / 77,835.94-107,407.22-43,833.56

Finding the Fourth Proportional to 77,835.94, 107,407.22 and 43,833.56

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Solution

The fourth proportional to 77,835.94, 107,407.22 and 43,833.56 is: 60,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,835.94 : 107,407.22 = 43,833.56 : x
  2. Step 2: Convert to fraction form
    77,835.94/107,407.22 = 43,833.56/x
  3. Step 3: Cross multiply
    77,835.94x = 107,407.22 × 43,833.56
  4. Step 4: Simplify right side
    77,835.94x = 4,708,040,066.10
  5. Step 5: Solve for x
    x = 4,708,040,066.10/77,835.94
  6. Step 6: Final answer
    x = 60,486.71

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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.