Home / 88,682.32-122,349.54-68,270.62

Finding the Fourth Proportional to 88,682.32, 122,349.54 and 68,270.62

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Solution

The fourth proportional to 88,682.32, 122,349.54 and 68,270.62 is: 94,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.32 : 122,349.54 = 68,270.62 : x
  2. Step 2: Convert to fraction form
    88,682.32/122,349.54 = 68,270.62/x
  3. Step 3: Cross multiply
    88,682.32x = 122,349.54 × 68,270.62
  4. Step 4: Simplify right side
    88,682.32x = 8,352,879,092.15
  5. Step 5: Solve for x
    x = 8,352,879,092.15/88,682.32
  6. Step 6: Final answer
    x = 94,188.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.