Home / 70,126.02-96,760.88-39,909.54

Finding the Fourth Proportional to 70,126.02, 96,760.88 and 39,909.54

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Solution

The fourth proportional to 70,126.02, 96,760.88 and 39,909.54 is: 55,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,126.02 : 96,760.88 = 39,909.54 : x
  2. Step 2: Convert to fraction form
    70,126.02/96,760.88 = 39,909.54/x
  3. Step 3: Cross multiply
    70,126.02x = 96,760.88 × 39,909.54
  4. Step 4: Simplify right side
    70,126.02x = 3,861,682,523.76
  5. Step 5: Solve for x
    x = 3,861,682,523.76/70,126.02
  6. Step 6: Final answer
    x = 55,067.76

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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.