Home / 88,628.40-122,352.30-68,439.96

Finding the Fourth Proportional to 88,628.40, 122,352.30 and 68,439.96

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Solution

The fourth proportional to 88,628.40, 122,352.30 and 68,439.96 is: 94,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.40 : 122,352.30 = 68,439.96 : x
  2. Step 2: Convert to fraction form
    88,628.40/122,352.30 = 68,439.96/x
  3. Step 3: Cross multiply
    88,628.40x = 122,352.30 × 68,439.96
  4. Step 4: Simplify right side
    88,628.40x = 8,373,786,517.91
  5. Step 5: Solve for x
    x = 8,373,786,517.91/88,628.40
  6. Step 6: Final answer
    x = 94,481.98

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1.5x scale

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.