Home / 80,585.29-120,849.33-23,643.30

Finding the Fourth Proportional to 80,585.29, 120,849.33 and 23,643.30

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Solution

The fourth proportional to 80,585.29, 120,849.33 and 23,643.30 is: 35,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585.29 : 120,849.33 = 23,643.30 : x
  2. Step 2: Convert to fraction form
    80,585.29/120,849.33 = 23,643.30/x
  3. Step 3: Cross multiply
    80,585.29x = 120,849.33 × 23,643.30
  4. Step 4: Simplify right side
    80,585.29x = 2,857,277,505.84
  5. Step 5: Solve for x
    x = 2,857,277,505.84/80,585.29
  6. Step 6: Final answer
    x = 35,456.56

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1.5x scale

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.