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Finding the Fourth Proportional to 88,622.60, 133,031.10 and 55,380.20

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Solution

The fourth proportional to 88,622.60, 133,031.10 and 55,380.20 is: 83,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,622.60 : 133,031.10 = 55,380.20 : x
  2. Step 2: Convert to fraction form
    88,622.60/133,031.10 = 55,380.20/x
  3. Step 3: Cross multiply
    88,622.60x = 133,031.10 × 55,380.20
  4. Step 4: Simplify right side
    88,622.60x = 7,367,288,924.22
  5. Step 5: Solve for x
    x = 7,367,288,924.22/88,622.60
  6. Step 6: Final answer
    x = 83,131.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.