Home / 80,190.54-120,285.88-24,036.55

Finding the Fourth Proportional to 80,190.54, 120,285.88 and 24,036.55

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Solution

The fourth proportional to 80,190.54, 120,285.88 and 24,036.55 is: 36,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.54 : 120,285.88 = 24,036.55 : x
  2. Step 2: Convert to fraction form
    80,190.54/120,285.88 = 24,036.55/x
  3. Step 3: Cross multiply
    80,190.54x = 120,285.88 × 24,036.55
  4. Step 4: Simplify right side
    80,190.54x = 2,891,257,208.11
  5. Step 5: Solve for x
    x = 2,891,257,208.11/80,190.54
  6. Step 6: Final answer
    x = 36,054.84

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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.