Home / 104,929.67-157,336.79-71,687.27

Finding the Fourth Proportional to 104,929.67, 157,336.79 and 71,687.27

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Solution

The fourth proportional to 104,929.67, 157,336.79 and 71,687.27 is: 107,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929.67 : 157,336.79 = 71,687.27 : x
  2. Step 2: Convert to fraction form
    104,929.67/157,336.79 = 71,687.27/x
  3. Step 3: Cross multiply
    104,929.67x = 157,336.79 × 71,687.27
  4. Step 4: Simplify right side
    104,929.67x = 11,279,044,945.66
  5. Step 5: Solve for x
    x = 11,279,044,945.66/104,929.67
  6. Step 6: Final answer
    x = 107,491.47

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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.