Home / 81,569.08-122,333.34-22,401.82

Finding the Fourth Proportional to 81,569.08, 122,333.34 and 22,401.82

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Solution

The fourth proportional to 81,569.08, 122,333.34 and 22,401.82 is: 33,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569.08 : 122,333.34 = 22,401.82 : x
  2. Step 2: Convert to fraction form
    81,569.08/122,333.34 = 22,401.82/x
  3. Step 3: Cross multiply
    81,569.08x = 122,333.34 × 22,401.82
  4. Step 4: Simplify right side
    81,569.08x = 2,740,489,462.68
  5. Step 5: Solve for x
    x = 2,740,489,462.68/81,569.08
  6. Step 6: Final answer
    x = 33,597.16

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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.