Home / 88,532.12-122,174.34-48,245.90

Finding the Fourth Proportional to 88,532.12, 122,174.34 and 48,245.90

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Solution

The fourth proportional to 88,532.12, 122,174.34 and 48,245.90 is: 66,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,532.12 : 122,174.34 = 48,245.90 : x
  2. Step 2: Convert to fraction form
    88,532.12/122,174.34 = 48,245.90/x
  3. Step 3: Cross multiply
    88,532.12x = 122,174.34 × 48,245.90
  4. Step 4: Simplify right side
    88,532.12x = 5,894,410,990.21
  5. Step 5: Solve for x
    x = 5,894,410,990.21/88,532.12
  6. Step 6: Final answer
    x = 66,579.35

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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.