Home / 67,275.61-100,913.41-27,789.32

Finding the Fourth Proportional to 67,275.61, 100,913.41 and 27,789.32

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Solution

The fourth proportional to 67,275.61, 100,913.41 and 27,789.32 is: 41,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.61 : 100,913.41 = 27,789.32 : x
  2. Step 2: Convert to fraction form
    67,275.61/100,913.41 = 27,789.32/x
  3. Step 3: Cross multiply
    67,275.61x = 100,913.41 × 27,789.32
  4. Step 4: Simplify right side
    67,275.61x = 2,804,315,042.78
  5. Step 5: Solve for x
    x = 2,804,315,042.78/67,275.61
  6. Step 6: Final answer
    x = 41,683.98

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Similar ratio
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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.