Home / 77,788.41-107,346.78-43,796.82

Finding the Fourth Proportional to 77,788.41, 107,346.78 and 43,796.82

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Solution

The fourth proportional to 77,788.41, 107,346.78 and 43,796.82 is: 60,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,788.41 : 107,346.78 = 43,796.82 : x
  2. Step 2: Convert to fraction form
    77,788.41/107,346.78 = 43,796.82/x
  3. Step 3: Cross multiply
    77,788.41x = 107,346.78 × 43,796.82
  4. Step 4: Simplify right side
    77,788.41x = 4,701,447,601.24
  5. Step 5: Solve for x
    x = 4,701,447,601.24/77,788.41
  6. Step 6: Final answer
    x = 60,438.92

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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.