Home / 88,520.60-122,149.68-52,221.26

Finding the Fourth Proportional to 88,520.60, 122,149.68 and 52,221.26

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Solution

The fourth proportional to 88,520.60, 122,149.68 and 52,221.26 is: 72,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520.60 : 122,149.68 = 52,221.26 : x
  2. Step 2: Convert to fraction form
    88,520.60/122,149.68 = 52,221.26/x
  3. Step 3: Cross multiply
    88,520.60x = 122,149.68 × 52,221.26
  4. Step 4: Simplify right side
    88,520.60x = 6,378,810,198.20
  5. Step 5: Solve for x
    x = 6,378,810,198.20/88,520.60
  6. Step 6: Final answer
    x = 72,060.18

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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.