Home / 112,764.90-169,129.71-49,571.04

Finding the Fourth Proportional to 112,764.90, 169,129.71 and 49,571.04

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Solution

The fourth proportional to 112,764.90, 169,129.71 and 49,571.04 is: 74,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,764.90 : 169,129.71 = 49,571.04 : x
  2. Step 2: Convert to fraction form
    112,764.90/169,129.71 = 49,571.04/x
  3. Step 3: Cross multiply
    112,764.90x = 169,129.71 × 49,571.04
  4. Step 4: Simplify right side
    112,764.90x = 8,383,935,619.60
  5. Step 5: Solve for x
    x = 8,383,935,619.60/112,764.90
  6. Step 6: Final answer
    x = 74,348.81

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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.