Home / 89,206.20-133,695.90-36,556.20

Finding the Fourth Proportional to 89,206.20, 133,695.90 and 36,556.20

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Solution

The fourth proportional to 89,206.20, 133,695.90 and 36,556.20 is: 54,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.20 : 133,695.90 = 36,556.20 : x
  2. Step 2: Convert to fraction form
    89,206.20/133,695.90 = 36,556.20/x
  3. Step 3: Cross multiply
    89,206.20x = 133,695.90 × 36,556.20
  4. Step 4: Simplify right side
    89,206.20x = 4,887,414,059.58
  5. Step 5: Solve for x
    x = 4,887,414,059.58/89,206.20
  6. Step 6: Final answer
    x = 54,787.83

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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.