Home / 81,442.22-122,188.84-24,518.38

Finding the Fourth Proportional to 81,442.22, 122,188.84 and 24,518.38

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Solution

The fourth proportional to 81,442.22, 122,188.84 and 24,518.38 is: 36,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,442.22 : 122,188.84 = 24,518.38 : x
  2. Step 2: Convert to fraction form
    81,442.22/122,188.84 = 24,518.38/x
  3. Step 3: Cross multiply
    81,442.22x = 122,188.84 × 24,518.38
  4. Step 4: Simplify right side
    81,442.22x = 2,995,872,410.88
  5. Step 5: Solve for x
    x = 2,995,872,410.88/81,442.22
  6. Step 6: Final answer
    x = 36,785.25

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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.