Home / 70,219.27-96,895.62-40,002.79

Finding the Fourth Proportional to 70,219.27, 96,895.62 and 40,002.79

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Solution

The fourth proportional to 70,219.27, 96,895.62 and 40,002.79 is: 55,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,219.27 : 96,895.62 = 40,002.79 : x
  2. Step 2: Convert to fraction form
    70,219.27/96,895.62 = 40,002.79/x
  3. Step 3: Cross multiply
    70,219.27x = 96,895.62 × 40,002.79
  4. Step 4: Simplify right side
    70,219.27x = 3,876,094,896.54
  5. Step 5: Solve for x
    x = 3,876,094,896.54/70,219.27
  6. Step 6: Final answer
    x = 55,199.88

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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.