Home / 81,752.22-122,627.10-22,586.58

Finding the Fourth Proportional to 81,752.22, 122,627.10 and 22,586.58

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Solution

The fourth proportional to 81,752.22, 122,627.10 and 22,586.58 is: 33,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752.22 : 122,627.10 = 22,586.58 : x
  2. Step 2: Convert to fraction form
    81,752.22/122,627.10 = 22,586.58/x
  3. Step 3: Cross multiply
    81,752.22x = 122,627.10 × 22,586.58
  4. Step 4: Simplify right side
    81,752.22x = 2,769,726,804.32
  5. Step 5: Solve for x
    x = 2,769,726,804.32/81,752.22
  6. Step 6: Final answer
    x = 33,879.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.