Home / 67,011.35-100,446.27-51,181.91

Finding the Fourth Proportional to 67,011.35, 100,446.27 and 51,181.91

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Solution

The fourth proportional to 67,011.35, 100,446.27 and 51,181.91 is: 76,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.35 : 100,446.27 = 51,181.91 : x
  2. Step 2: Convert to fraction form
    67,011.35/100,446.27 = 51,181.91/x
  3. Step 3: Cross multiply
    67,011.35x = 100,446.27 × 51,181.91
  4. Step 4: Simplify right side
    67,011.35x = 5,141,032,202.09
  5. Step 5: Solve for x
    x = 5,141,032,202.09/67,011.35
  6. Step 6: Final answer
    x = 76,718.82

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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.