Home / 80,210.23-120,433.62-44,740.85

Finding the Fourth Proportional to 80,210.23, 120,433.62 and 44,740.85

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Solution

The fourth proportional to 80,210.23, 120,433.62 and 44,740.85 is: 67,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,210.23 : 120,433.62 = 44,740.85 : x
  2. Step 2: Convert to fraction form
    80,210.23/120,433.62 = 44,740.85/x
  3. Step 3: Cross multiply
    80,210.23x = 120,433.62 × 44,740.85
  4. Step 4: Simplify right side
    80,210.23x = 5,388,302,996.24
  5. Step 5: Solve for x
    x = 5,388,302,996.24/80,210.23
  6. Step 6: Final answer
    x = 67,177.25

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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.