Home / 60,186.24-90,305.33-28,618.72

Finding the Fourth Proportional to 60,186.24, 90,305.33 and 28,618.72

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Solution

The fourth proportional to 60,186.24, 90,305.33 and 28,618.72 is: 42,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,186.24 : 90,305.33 = 28,618.72 : x
  2. Step 2: Convert to fraction form
    60,186.24/90,305.33 = 28,618.72/x
  3. Step 3: Cross multiply
    60,186.24x = 90,305.33 × 28,618.72
  4. Step 4: Simplify right side
    60,186.24x = 2,584,422,745.90
  5. Step 5: Solve for x
    x = 2,584,422,745.90/60,186.24
  6. Step 6: Final answer
    x = 42,940.43

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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.