Home / 80,635.04-120,965.12-41,170.80

Finding the Fourth Proportional to 80,635.04, 120,965.12 and 41,170.80

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Solution

The fourth proportional to 80,635.04, 120,965.12 and 41,170.80 is: 61,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635.04 : 120,965.12 = 41,170.80 : x
  2. Step 2: Convert to fraction form
    80,635.04/120,965.12 = 41,170.80/x
  3. Step 3: Cross multiply
    80,635.04x = 120,965.12 × 41,170.80
  4. Step 4: Simplify right side
    80,635.04x = 4,980,230,762.50
  5. Step 5: Solve for x
    x = 4,980,230,762.50/80,635.04
  6. Step 6: Final answer
    x = 61,762.61

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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.