Home / 80,525.52-120,769.92-30,611.16

Finding the Fourth Proportional to 80,525.52, 120,769.92 and 30,611.16

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Solution

The fourth proportional to 80,525.52, 120,769.92 and 30,611.16 is: 45,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.52 : 120,769.92 = 30,611.16 : x
  2. Step 2: Convert to fraction form
    80,525.52/120,769.92 = 30,611.16/x
  3. Step 3: Cross multiply
    80,525.52x = 120,769.92 × 30,611.16
  4. Step 4: Simplify right side
    80,525.52x = 3,696,907,344.31
  5. Step 5: Solve for x
    x = 3,696,907,344.31/80,525.52
  6. Step 6: Final answer
    x = 45,909.76

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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.