Home / 67,230.30-100,845.45-43,610.70

Finding the Fourth Proportional to 67,230.30, 100,845.45 and 43,610.70

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Solution

The fourth proportional to 67,230.30, 100,845.45 and 43,610.70 is: 65,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.30 : 100,845.45 = 43,610.70 : x
  2. Step 2: Convert to fraction form
    67,230.30/100,845.45 = 43,610.70/x
  3. Step 3: Cross multiply
    67,230.30x = 100,845.45 × 43,610.70
  4. Step 4: Simplify right side
    67,230.30x = 4,397,940,666.32
  5. Step 5: Solve for x
    x = 4,397,940,666.32/67,230.30
  6. Step 6: Final answer
    x = 65,416.05

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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.