Home / 88,874.24-122,659.82-51,141.20

Finding the Fourth Proportional to 88,874.24, 122,659.82 and 51,141.20

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Solution

The fourth proportional to 88,874.24, 122,659.82 and 51,141.20 is: 70,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,874.24 : 122,659.82 = 51,141.20 : x
  2. Step 2: Convert to fraction form
    88,874.24/122,659.82 = 51,141.20/x
  3. Step 3: Cross multiply
    88,874.24x = 122,659.82 × 51,141.20
  4. Step 4: Simplify right side
    88,874.24x = 6,272,970,386.58
  5. Step 5: Solve for x
    x = 6,272,970,386.58/88,874.24
  6. Step 6: Final answer
    x = 70,582.55

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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.