Home / 97,720.20-146,565.90-27,606.60

Finding the Fourth Proportional to 97,720.20, 146,565.90 and 27,606.60

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Solution

The fourth proportional to 97,720.20, 146,565.90 and 27,606.60 is: 41,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,720.20 : 146,565.90 = 27,606.60 : x
  2. Step 2: Convert to fraction form
    97,720.20/146,565.90 = 27,606.60/x
  3. Step 3: Cross multiply
    97,720.20x = 146,565.90 × 27,606.60
  4. Step 4: Simplify right side
    97,720.20x = 4,046,186,174.94
  5. Step 5: Solve for x
    x = 4,046,186,174.94/97,720.20
  6. Step 6: Final answer
    x = 41,405.83

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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.