Home / 80,650.13-120,918.69-37,930.73

Finding the Fourth Proportional to 80,650.13, 120,918.69 and 37,930.73

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Solution

The fourth proportional to 80,650.13, 120,918.69 and 37,930.73 is: 56,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.13 : 120,918.69 = 37,930.73 : x
  2. Step 2: Convert to fraction form
    80,650.13/120,918.69 = 37,930.73/x
  3. Step 3: Cross multiply
    80,650.13x = 120,918.69 × 37,930.73
  4. Step 4: Simplify right side
    80,650.13x = 4,586,533,577.75
  5. Step 5: Solve for x
    x = 4,586,533,577.75/80,650.13
  6. Step 6: Final answer
    x = 56,869.52

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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.