Home / 97,786.96-146,679.20-31,226.24

Finding the Fourth Proportional to 97,786.96, 146,679.20 and 31,226.24

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Solution

The fourth proportional to 97,786.96, 146,679.20 and 31,226.24 is: 46,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,786.96 : 146,679.20 = 31,226.24 : x
  2. Step 2: Convert to fraction form
    97,786.96/146,679.20 = 31,226.24/x
  3. Step 3: Cross multiply
    97,786.96x = 146,679.20 × 31,226.24
  4. Step 4: Simplify right side
    97,786.96x = 4,580,239,902.21
  5. Step 5: Solve for x
    x = 4,580,239,902.21/97,786.96
  6. Step 6: Final answer
    x = 46,838.96

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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.