Home / 81,518.76-122,275.26-22,353.48

Finding the Fourth Proportional to 81,518.76, 122,275.26 and 22,353.48

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Solution

The fourth proportional to 81,518.76, 122,275.26 and 22,353.48 is: 33,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,518.76 : 122,275.26 = 22,353.48 : x
  2. Step 2: Convert to fraction form
    81,518.76/122,275.26 = 22,353.48/x
  3. Step 3: Cross multiply
    81,518.76x = 122,275.26 × 22,353.48
  4. Step 4: Simplify right side
    81,518.76x = 2,733,277,578.90
  5. Step 5: Solve for x
    x = 2,733,277,578.90/81,518.76
  6. Step 6: Final answer
    x = 33,529.43

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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.