Home / 80,527.12-120,811.52-30,608.08

Finding the Fourth Proportional to 80,527.12, 120,811.52 and 30,608.08

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Solution

The fourth proportional to 80,527.12, 120,811.52 and 30,608.08 is: 45,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,527.12 : 120,811.52 = 30,608.08 : x
  2. Step 2: Convert to fraction form
    80,527.12/120,811.52 = 30,608.08/x
  3. Step 3: Cross multiply
    80,527.12x = 120,811.52 × 30,608.08
  4. Step 4: Simplify right side
    80,527.12x = 3,697,808,669.08
  5. Step 5: Solve for x
    x = 3,697,808,669.08/80,527.12
  6. Step 6: Final answer
    x = 45,920.04

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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.