Home / 80,287.10-120,436.88-24,122.82

Finding the Fourth Proportional to 80,287.10, 120,436.88 and 24,122.82

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Solution

The fourth proportional to 80,287.10, 120,436.88 and 24,122.82 is: 36,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287.10 : 120,436.88 = 24,122.82 : x
  2. Step 2: Convert to fraction form
    80,287.10/120,436.88 = 24,122.82/x
  3. Step 3: Cross multiply
    80,287.10x = 120,436.88 × 24,122.82
  4. Step 4: Simplify right side
    80,287.10x = 2,905,277,056.99
  5. Step 5: Solve for x
    x = 2,905,277,056.99/80,287.10
  6. Step 6: Final answer
    x = 36,186.10

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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.