Home / 97,906.20-146,816.10-38,722.20

Finding the Fourth Proportional to 97,906.20, 146,816.10 and 38,722.20

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Solution

The fourth proportional to 97,906.20, 146,816.10 and 38,722.20 is: 58,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,906.20 : 146,816.10 = 38,722.20 : x
  2. Step 2: Convert to fraction form
    97,906.20/146,816.10 = 38,722.20/x
  3. Step 3: Cross multiply
    97,906.20x = 146,816.10 × 38,722.20
  4. Step 4: Simplify right side
    97,906.20x = 5,685,042,387.42
  5. Step 5: Solve for x
    x = 5,685,042,387.42/97,906.20
  6. Step 6: Final answer
    x = 58,066.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.