Home / 80,849.46-121,050.27-41,321.46

Finding the Fourth Proportional to 80,849.46, 121,050.27 and 41,321.46

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Solution

The fourth proportional to 80,849.46, 121,050.27 and 41,321.46 is: 61,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849.46 : 121,050.27 = 41,321.46 : x
  2. Step 2: Convert to fraction form
    80,849.46/121,050.27 = 41,321.46/x
  3. Step 3: Cross multiply
    80,849.46x = 121,050.27 × 41,321.46
  4. Step 4: Simplify right side
    80,849.46x = 5,001,973,889.79
  5. Step 5: Solve for x
    x = 5,001,973,889.79/80,849.46
  6. Step 6: Final answer
    x = 61,867.75

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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.