Home / 80,441.40-120,690.90-33,708.60

Finding the Fourth Proportional to 80,441.40, 120,690.90 and 33,708.60

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Solution

The fourth proportional to 80,441.40, 120,690.90 and 33,708.60 is: 50,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.40 : 120,690.90 = 33,708.60 : x
  2. Step 2: Convert to fraction form
    80,441.40/120,690.90 = 33,708.60/x
  3. Step 3: Cross multiply
    80,441.40x = 120,690.90 × 33,708.60
  4. Step 4: Simplify right side
    80,441.40x = 4,068,321,271.74
  5. Step 5: Solve for x
    x = 4,068,321,271.74/80,441.40
  6. Step 6: Final answer
    x = 50,574.97

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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.