Home / 70,016.28-96,621.30-38,183.28

Finding the Fourth Proportional to 70,016.28, 96,621.30 and 38,183.28

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Solution

The fourth proportional to 70,016.28, 96,621.30 and 38,183.28 is: 52,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016.28 : 96,621.30 = 38,183.28 : x
  2. Step 2: Convert to fraction form
    70,016.28/96,621.30 = 38,183.28/x
  3. Step 3: Cross multiply
    70,016.28x = 96,621.30 × 38,183.28
  4. Step 4: Simplify right side
    70,016.28x = 3,689,318,151.86
  5. Step 5: Solve for x
    x = 3,689,318,151.86/70,016.28
  6. Step 6: Final answer
    x = 52,692.29

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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.