Home / 67,220.24-100,775.28-27,805.64

Finding the Fourth Proportional to 67,220.24, 100,775.28 and 27,805.64

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Solution

The fourth proportional to 67,220.24, 100,775.28 and 27,805.64 is: 41,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220.24 : 100,775.28 = 27,805.64 : x
  2. Step 2: Convert to fraction form
    67,220.24/100,775.28 = 27,805.64/x
  3. Step 3: Cross multiply
    67,220.24x = 100,775.28 × 27,805.64
  4. Step 4: Simplify right side
    67,220.24x = 2,802,121,156.58
  5. Step 5: Solve for x
    x = 2,802,121,156.58/67,220.24
  6. Step 6: Final answer
    x = 41,685.68

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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.