Home / 122,020.73-183,021.86-37,781.59

Finding the Fourth Proportional to 122,020.73, 183,021.86 and 37,781.59

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Solution

The fourth proportional to 122,020.73, 183,021.86 and 37,781.59 is: 56,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,020.73 : 183,021.86 = 37,781.59 : x
  2. Step 2: Convert to fraction form
    122,020.73/183,021.86 = 37,781.59/x
  3. Step 3: Cross multiply
    122,020.73x = 183,021.86 × 37,781.59
  4. Step 4: Simplify right side
    122,020.73x = 6,914,855,771.54
  5. Step 5: Solve for x
    x = 6,914,855,771.54/122,020.73
  6. Step 6: Final answer
    x = 56,669.52

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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.