Home / 103,239.57-154,844.76-33,109.77

Finding the Fourth Proportional to 103,239.57, 154,844.76 and 33,109.77

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Solution

The fourth proportional to 103,239.57, 154,844.76 and 33,109.77 is: 49,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239.57 : 154,844.76 = 33,109.77 : x
  2. Step 2: Convert to fraction form
    103,239.57/154,844.76 = 33,109.77/x
  3. Step 3: Cross multiply
    103,239.57x = 154,844.76 × 33,109.77
  4. Step 4: Simplify right side
    103,239.57x = 5,126,874,389.31
  5. Step 5: Solve for x
    x = 5,126,874,389.31/103,239.57
  6. Step 6: Final answer
    x = 49,659.97

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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.