Home / 111,821.74-167,769.05-52,663.39

Finding the Fourth Proportional to 111,821.74, 167,769.05 and 52,663.39

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Solution

The fourth proportional to 111,821.74, 167,769.05 and 52,663.39 is: 79,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,821.74 : 167,769.05 = 52,663.39 : x
  2. Step 2: Convert to fraction form
    111,821.74/167,769.05 = 52,663.39/x
  3. Step 3: Cross multiply
    111,821.74x = 167,769.05 × 52,663.39
  4. Step 4: Simplify right side
    111,821.74x = 8,835,286,910.08
  5. Step 5: Solve for x
    x = 8,835,286,910.08/111,821.74
  6. Step 6: Final answer
    x = 79,012.25

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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.