Home / 125,262.27-172,872.80-68,684.58

Finding the Fourth Proportional to 125,262.27, 172,872.80 and 68,684.58

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Solution

The fourth proportional to 125,262.27, 172,872.80 and 68,684.58 is: 94,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,262.27 : 172,872.80 = 68,684.58 : x
  2. Step 2: Convert to fraction form
    125,262.27/172,872.80 = 68,684.58/x
  3. Step 3: Cross multiply
    125,262.27x = 172,872.80 × 68,684.58
  4. Step 4: Simplify right side
    125,262.27x = 11,873,695,661.42
  5. Step 5: Solve for x
    x = 11,873,695,661.42/125,262.27
  6. Step 6: Final answer
    x = 94,790.68

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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.