Home / 88,685.10-122,380.94-48,398.54

Finding the Fourth Proportional to 88,685.10, 122,380.94 and 48,398.54

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Solution

The fourth proportional to 88,685.10, 122,380.94 and 48,398.54 is: 66,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,685.10 : 122,380.94 = 48,398.54 : x
  2. Step 2: Convert to fraction form
    88,685.10/122,380.94 = 48,398.54/x
  3. Step 3: Cross multiply
    88,685.10x = 122,380.94 × 48,398.54
  4. Step 4: Simplify right side
    88,685.10x = 5,923,058,328.92
  5. Step 5: Solve for x
    x = 5,923,058,328.92/88,685.10
  6. Step 6: Final answer
    x = 66,787.52

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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.