Home / 101,313.06-152,013.33-54,556.62

Finding the Fourth Proportional to 101,313.06, 152,013.33 and 54,556.62

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Solution

The fourth proportional to 101,313.06, 152,013.33 and 54,556.62 is: 81,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,313.06 : 152,013.33 = 54,556.62 : x
  2. Step 2: Convert to fraction form
    101,313.06/152,013.33 = 54,556.62/x
  3. Step 3: Cross multiply
    101,313.06x = 152,013.33 × 54,556.62
  4. Step 4: Simplify right side
    101,313.06x = 8,293,333,479.74
  5. Step 5: Solve for x
    x = 8,293,333,479.74/101,313.06
  6. Step 6: Final answer
    x = 81,858.48

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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.