Home / 77,327.27-115,958.07-27,419.93

Finding the Fourth Proportional to 77,327.27, 115,958.07 and 27,419.93

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Solution

The fourth proportional to 77,327.27, 115,958.07 and 27,419.93 is: 41,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.27 : 115,958.07 = 27,419.93 : x
  2. Step 2: Convert to fraction form
    77,327.27/115,958.07 = 27,419.93/x
  3. Step 3: Cross multiply
    77,327.27x = 115,958.07 × 27,419.93
  4. Step 4: Simplify right side
    77,327.27x = 3,179,562,162.34
  5. Step 5: Solve for x
    x = 3,179,562,162.34/77,327.27
  6. Step 6: Final answer
    x = 41,118.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.