Home / 97,786.92-146,668.08-31,221.48

Finding the Fourth Proportional to 97,786.92, 146,668.08 and 31,221.48

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Solution

The fourth proportional to 97,786.92, 146,668.08 and 31,221.48 is: 46,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,786.92 : 146,668.08 = 31,221.48 : x
  2. Step 2: Convert to fraction form
    97,786.92/146,668.08 = 31,221.48/x
  3. Step 3: Cross multiply
    97,786.92x = 146,668.08 × 31,221.48
  4. Step 4: Simplify right side
    97,786.92x = 4,579,194,526.36
  5. Step 5: Solve for x
    x = 4,579,194,526.36/97,786.92
  6. Step 6: Final answer
    x = 46,828.29

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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.