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Finding the Fourth Proportional to 88,878.56, 122,652.48 and 48,591.68

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Solution

The fourth proportional to 88,878.56, 122,652.48 and 48,591.68 is: 67,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878.56 : 122,652.48 = 48,591.68 : x
  2. Step 2: Convert to fraction form
    88,878.56/122,652.48 = 48,591.68/x
  3. Step 3: Cross multiply
    88,878.56x = 122,652.48 × 48,591.68
  4. Step 4: Simplify right side
    88,878.56x = 5,959,890,059.37
  5. Step 5: Solve for x
    x = 5,959,890,059.37/88,878.56
  6. Step 6: Final answer
    x = 67,056.56

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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.