Home / 70,234.03-96,912.09-40,020.64

Finding the Fourth Proportional to 70,234.03, 96,912.09 and 40,020.64

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Solution

The fourth proportional to 70,234.03, 96,912.09 and 40,020.64 is: 55,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,234.03 : 96,912.09 = 40,020.64 : x
  2. Step 2: Convert to fraction form
    70,234.03/96,912.09 = 40,020.64/x
  3. Step 3: Cross multiply
    70,234.03x = 96,912.09 × 40,020.64
  4. Step 4: Simplify right side
    70,234.03x = 3,878,483,865.54
  5. Step 5: Solve for x
    x = 3,878,483,865.54/70,234.03
  6. Step 6: Final answer
    x = 55,222.29

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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.