Home / 122,553.69-183,791.66-39,428.25

Finding the Fourth Proportional to 122,553.69, 183,791.66 and 39,428.25

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Solution

The fourth proportional to 122,553.69, 183,791.66 and 39,428.25 is: 59,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,553.69 : 183,791.66 = 39,428.25 : x
  2. Step 2: Convert to fraction form
    122,553.69/183,791.66 = 39,428.25/x
  3. Step 3: Cross multiply
    122,553.69x = 183,791.66 × 39,428.25
  4. Step 4: Simplify right side
    122,553.69x = 7,246,583,321.25
  5. Step 5: Solve for x
    x = 7,246,583,321.25/122,553.69
  6. Step 6: Final answer
    x = 59,129.87

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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.