Home / 125,172.27-172,733.72-68,582.43

Finding the Fourth Proportional to 125,172.27, 172,733.72 and 68,582.43

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Solution

The fourth proportional to 125,172.27, 172,733.72 and 68,582.43 is: 94,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172.27 : 172,733.72 = 68,582.43 : x
  2. Step 2: Convert to fraction form
    125,172.27/172,733.72 = 68,582.43/x
  3. Step 3: Cross multiply
    125,172.27x = 172,733.72 × 68,582.43
  4. Step 4: Simplify right side
    125,172.27x = 11,846,497,917.63
  5. Step 5: Solve for x
    x = 11,846,497,917.63/125,172.27
  6. Step 6: Final answer
    x = 94,641.55

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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.