Home / 104,838.72-144,675.36-57,092.64

Finding the Fourth Proportional to 104,838.72, 144,675.36 and 57,092.64

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Solution

The fourth proportional to 104,838.72, 144,675.36 and 57,092.64 is: 78,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.72 : 144,675.36 = 57,092.64 : x
  2. Step 2: Convert to fraction form
    104,838.72/144,675.36 = 57,092.64/x
  3. Step 3: Cross multiply
    104,838.72x = 144,675.36 × 57,092.64
  4. Step 4: Simplify right side
    104,838.72x = 8,259,898,245.35
  5. Step 5: Solve for x
    x = 8,259,898,245.35/104,838.72
  6. Step 6: Final answer
    x = 78,786.71

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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.