Home / 127,786.73-191,682.09-37,838.57

Finding the Fourth Proportional to 127,786.73, 191,682.09 and 37,838.57

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Solution

The fourth proportional to 127,786.73, 191,682.09 and 37,838.57 is: 56,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,786.73 : 191,682.09 = 37,838.57 : x
  2. Step 2: Convert to fraction form
    127,786.73/191,682.09 = 37,838.57/x
  3. Step 3: Cross multiply
    127,786.73x = 191,682.09 × 37,838.57
  4. Step 4: Simplify right side
    127,786.73x = 7,252,976,180.21
  5. Step 5: Solve for x
    x = 7,252,976,180.21/127,786.73
  6. Step 6: Final answer
    x = 56,758.45

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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.