Home / 124,712.80-172,097.22-68,113.24

Finding the Fourth Proportional to 124,712.80, 172,097.22 and 68,113.24

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Solution

The fourth proportional to 124,712.80, 172,097.22 and 68,113.24 is: 93,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.80 : 172,097.22 = 68,113.24 : x
  2. Step 2: Convert to fraction form
    124,712.80/172,097.22 = 68,113.24/x
  3. Step 3: Cross multiply
    124,712.80x = 172,097.22 × 68,113.24
  4. Step 4: Simplify right side
    124,712.80x = 11,722,099,249.19
  5. Step 5: Solve for x
    x = 11,722,099,249.19/124,712.80
  6. Step 6: Final answer
    x = 93,992.75

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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.