Home / 88,638.18-122,318.01-48,352.56

Finding the Fourth Proportional to 88,638.18, 122,318.01 and 48,352.56

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Solution

The fourth proportional to 88,638.18, 122,318.01 and 48,352.56 is: 66,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,638.18 : 122,318.01 = 48,352.56 : x
  2. Step 2: Convert to fraction form
    88,638.18/122,318.01 = 48,352.56/x
  3. Step 3: Cross multiply
    88,638.18x = 122,318.01 × 48,352.56
  4. Step 4: Simplify right side
    88,638.18x = 5,914,388,917.61
  5. Step 5: Solve for x
    x = 5,914,388,917.61/88,638.18
  6. Step 6: Final answer
    x = 66,725.07

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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.