Home / 77,849.27-107,409.77-43,845.86

Finding the Fourth Proportional to 77,849.27, 107,409.77 and 43,845.86

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Solution

The fourth proportional to 77,849.27, 107,409.77 and 43,845.86 is: 60,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.27 : 107,409.77 = 43,845.86 : x
  2. Step 2: Convert to fraction form
    77,849.27/107,409.77 = 43,845.86/x
  3. Step 3: Cross multiply
    77,849.27x = 107,409.77 × 43,845.86
  4. Step 4: Simplify right side
    77,849.27x = 4,709,472,981.77
  5. Step 5: Solve for x
    x = 4,709,472,981.77/77,849.27
  6. Step 6: Final answer
    x = 60,494.76

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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.