Home / 97,827.20-146,789.40-38,664.80

Finding the Fourth Proportional to 97,827.20, 146,789.40 and 38,664.80

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Solution

The fourth proportional to 97,827.20, 146,789.40 and 38,664.80 is: 58,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.20 : 146,789.40 = 38,664.80 : x
  2. Step 2: Convert to fraction form
    97,827.20/146,789.40 = 38,664.80/x
  3. Step 3: Cross multiply
    97,827.20x = 146,789.40 × 38,664.80
  4. Step 4: Simplify right side
    97,827.20x = 5,675,582,793.12
  5. Step 5: Solve for x
    x = 5,675,582,793.12/97,827.20
  6. Step 6: Final answer
    x = 58,016.41

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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.