Home / 124,982.22-172,448.79-74,010.96

Finding the Fourth Proportional to 124,982.22, 172,448.79 and 74,010.96

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Solution

The fourth proportional to 124,982.22, 172,448.79 and 74,010.96 is: 102,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982.22 : 172,448.79 = 74,010.96 : x
  2. Step 2: Convert to fraction form
    124,982.22/172,448.79 = 74,010.96/x
  3. Step 3: Cross multiply
    124,982.22x = 172,448.79 × 74,010.96
  4. Step 4: Simplify right side
    124,982.22x = 12,763,100,498.74
  5. Step 5: Solve for x
    x = 12,763,100,498.74/124,982.22
  6. Step 6: Final answer
    x = 102,119.33

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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.