Home / 101,996.48-152,942.04-45,788.36

Finding the Fourth Proportional to 101,996.48, 152,942.04 and 45,788.36

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Solution

The fourth proportional to 101,996.48, 152,942.04 and 45,788.36 is: 68,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,996.48 : 152,942.04 = 45,788.36 : x
  2. Step 2: Convert to fraction form
    101,996.48/152,942.04 = 45,788.36/x
  3. Step 3: Cross multiply
    101,996.48x = 152,942.04 × 45,788.36
  4. Step 4: Simplify right side
    101,996.48x = 7,002,965,186.65
  5. Step 5: Solve for x
    x = 7,002,965,186.65/101,996.48
  6. Step 6: Final answer
    x = 68,658.89

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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.