Home / 70,936.92-97,891.20-39,105.18

Finding the Fourth Proportional to 70,936.92, 97,891.20 and 39,105.18

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Solution

The fourth proportional to 70,936.92, 97,891.20 and 39,105.18 is: 53,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.92 : 97,891.20 = 39,105.18 : x
  2. Step 2: Convert to fraction form
    70,936.92/97,891.20 = 39,105.18/x
  3. Step 3: Cross multiply
    70,936.92x = 97,891.20 × 39,105.18
  4. Step 4: Simplify right side
    70,936.92x = 3,828,052,996.42
  5. Step 5: Solve for x
    x = 3,828,052,996.42/70,936.92
  6. Step 6: Final answer
    x = 53,964.18

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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.