Home / 77,277.85-115,960.61-32,899.97

Finding the Fourth Proportional to 77,277.85, 115,960.61 and 32,899.97

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Solution

The fourth proportional to 77,277.85, 115,960.61 and 32,899.97 is: 49,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.85 : 115,960.61 = 32,899.97 : x
  2. Step 2: Convert to fraction form
    77,277.85/115,960.61 = 32,899.97/x
  3. Step 3: Cross multiply
    77,277.85x = 115,960.61 × 32,899.97
  4. Step 4: Simplify right side
    77,277.85x = 3,815,100,962.33
  5. Step 5: Solve for x
    x = 3,815,100,962.33/77,277.85
  6. Step 6: Final answer
    x = 49,368.62

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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.