Home / 48,866.12-67,431.22-28,723.85

Finding the Fourth Proportional to 48,866.12, 67,431.22 and 28,723.85

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Solution

The fourth proportional to 48,866.12, 67,431.22 and 28,723.85 is: 39,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.12 : 67,431.22 = 28,723.85 : x
  2. Step 2: Convert to fraction form
    48,866.12/67,431.22 = 28,723.85/x
  3. Step 3: Cross multiply
    48,866.12x = 67,431.22 × 28,723.85
  4. Step 4: Simplify right side
    48,866.12x = 1,936,884,092.50
  5. Step 5: Solve for x
    x = 1,936,884,092.50/48,866.12
  6. Step 6: Final answer
    x = 39,636.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.