Home / 80,566.76-120,850.19-30,635.33

Finding the Fourth Proportional to 80,566.76, 120,850.19 and 30,635.33

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Solution

The fourth proportional to 80,566.76, 120,850.19 and 30,635.33 is: 45,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566.76 : 120,850.19 = 30,635.33 : x
  2. Step 2: Convert to fraction form
    80,566.76/120,850.19 = 30,635.33/x
  3. Step 3: Cross multiply
    80,566.76x = 120,850.19 × 30,635.33
  4. Step 4: Simplify right side
    80,566.76x = 3,702,285,298.04
  5. Step 5: Solve for x
    x = 3,702,285,298.04/80,566.76
  6. Step 6: Final answer
    x = 45,953.01

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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.