Home / 70,176.20-96,843.24-39,961.52

Finding the Fourth Proportional to 70,176.20, 96,843.24 and 39,961.52

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Solution

The fourth proportional to 70,176.20, 96,843.24 and 39,961.52 is: 55,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,176.20 : 96,843.24 = 39,961.52 : x
  2. Step 2: Convert to fraction form
    70,176.20/96,843.24 = 39,961.52/x
  3. Step 3: Cross multiply
    70,176.20x = 96,843.24 × 39,961.52
  4. Step 4: Simplify right side
    70,176.20x = 3,870,003,072.12
  5. Step 5: Solve for x
    x = 3,870,003,072.12/70,176.20
  6. Step 6: Final answer
    x = 55,146.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.