Home / 97,621.20-146,388.60-45,046.80

Finding the Fourth Proportional to 97,621.20, 146,388.60 and 45,046.80

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Solution

The fourth proportional to 97,621.20, 146,388.60 and 45,046.80 is: 67,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,621.20 : 146,388.60 = 45,046.80 : x
  2. Step 2: Convert to fraction form
    97,621.20/146,388.60 = 45,046.80/x
  3. Step 3: Cross multiply
    97,621.20x = 146,388.60 × 45,046.80
  4. Step 4: Simplify right side
    97,621.20x = 6,594,337,986.48
  5. Step 5: Solve for x
    x = 6,594,337,986.48/97,621.20
  6. Step 6: Final answer
    x = 67,550.27

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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.