Home / 51,141.40-76,712.10-16,091.80

Finding the Fourth Proportional to 51,141.40, 76,712.10 and 16,091.80

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Solution

The fourth proportional to 51,141.40, 76,712.10 and 16,091.80 is: 24,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,141.40 : 76,712.10 = 16,091.80 : x
  2. Step 2: Convert to fraction form
    51,141.40/76,712.10 = 16,091.80/x
  3. Step 3: Cross multiply
    51,141.40x = 76,712.10 × 16,091.80
  4. Step 4: Simplify right side
    51,141.40x = 1,234,435,770.78
  5. Step 5: Solve for x
    x = 1,234,435,770.78/51,141.40
  6. Step 6: Final answer
    x = 24,137.70

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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.