Home / 81,630.10-122,447.58-22,466.62

Finding the Fourth Proportional to 81,630.10, 122,447.58 and 22,466.62

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Solution

The fourth proportional to 81,630.10, 122,447.58 and 22,466.62 is: 33,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,630.10 : 122,447.58 = 22,466.62 : x
  2. Step 2: Convert to fraction form
    81,630.10/122,447.58 = 22,466.62/x
  3. Step 3: Cross multiply
    81,630.10x = 122,447.58 × 22,466.62
  4. Step 4: Simplify right side
    81,630.10x = 2,750,983,249.78
  5. Step 5: Solve for x
    x = 2,750,983,249.78/81,630.10
  6. Step 6: Final answer
    x = 33,700.60

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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.