Home / 80,674.43-121,027.04-30,750.35

Finding the Fourth Proportional to 80,674.43, 121,027.04 and 30,750.35

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Solution

The fourth proportional to 80,674.43, 121,027.04 and 30,750.35 is: 46,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,674.43 : 121,027.04 = 30,750.35 : x
  2. Step 2: Convert to fraction form
    80,674.43/121,027.04 = 30,750.35/x
  3. Step 3: Cross multiply
    80,674.43x = 121,027.04 × 30,750.35
  4. Step 4: Simplify right side
    80,674.43x = 3,721,624,218.91
  5. Step 5: Solve for x
    x = 3,721,624,218.91/80,674.43
  6. Step 6: Final answer
    x = 46,131.40

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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.