Home / 68,077.36-93,939.57-37,857.81

Finding the Fourth Proportional to 68,077.36, 93,939.57 and 37,857.81

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Solution

The fourth proportional to 68,077.36, 93,939.57 and 37,857.81 is: 52,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.36 : 93,939.57 = 37,857.81 : x
  2. Step 2: Convert to fraction form
    68,077.36/93,939.57 = 37,857.81/x
  3. Step 3: Cross multiply
    68,077.36x = 93,939.57 × 37,857.81
  4. Step 4: Simplify right side
    68,077.36x = 3,556,346,392.54
  5. Step 5: Solve for x
    x = 3,556,346,392.54/68,077.36
  6. Step 6: Final answer
    x = 52,239.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.