Home / 70,181.38-96,850.58-38,350.28

Finding the Fourth Proportional to 70,181.38, 96,850.58 and 38,350.28

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Solution

The fourth proportional to 70,181.38, 96,850.58 and 38,350.28 is: 52,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.38 : 96,850.58 = 38,350.28 : x
  2. Step 2: Convert to fraction form
    70,181.38/96,850.58 = 38,350.28/x
  3. Step 3: Cross multiply
    70,181.38x = 96,850.58 × 38,350.28
  4. Step 4: Simplify right side
    70,181.38x = 3,714,246,861.16
  5. Step 5: Solve for x
    x = 3,714,246,861.16/70,181.38
  6. Step 6: Final answer
    x = 52,923.54

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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.