Home / 80,684.01-120,767.22-43,150.23

Finding the Fourth Proportional to 80,684.01, 120,767.22 and 43,150.23

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Solution

The fourth proportional to 80,684.01, 120,767.22 and 43,150.23 is: 64,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,684.01 : 120,767.22 = 43,150.23 : x
  2. Step 2: Convert to fraction form
    80,684.01/120,767.22 = 43,150.23/x
  3. Step 3: Cross multiply
    80,684.01x = 120,767.22 × 43,150.23
  4. Step 4: Simplify right side
    80,684.01x = 5,211,133,319.46
  5. Step 5: Solve for x
    x = 5,211,133,319.46/80,684.01
  6. Step 6: Final answer
    x = 64,586.94

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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.