Home / 77,786.91-107,344.71-43,795.32

Finding the Fourth Proportional to 77,786.91, 107,344.71 and 43,795.32

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Solution

The fourth proportional to 77,786.91, 107,344.71 and 43,795.32 is: 60,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,786.91 : 107,344.71 = 43,795.32 : x
  2. Step 2: Convert to fraction form
    77,786.91/107,344.71 = 43,795.32/x
  3. Step 3: Cross multiply
    77,786.91x = 107,344.71 × 43,795.32
  4. Step 4: Simplify right side
    77,786.91x = 4,701,195,924.76
  5. Step 5: Solve for x
    x = 4,701,195,924.76/77,786.91
  6. Step 6: Final answer
    x = 60,436.85

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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.