Home / 48,906.45-67,491.19-28,764.18

Finding the Fourth Proportional to 48,906.45, 67,491.19 and 28,764.18

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Solution

The fourth proportional to 48,906.45, 67,491.19 and 28,764.18 is: 39,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,906.45 : 67,491.19 = 28,764.18 : x
  2. Step 2: Convert to fraction form
    48,906.45/67,491.19 = 28,764.18/x
  3. Step 3: Cross multiply
    48,906.45x = 67,491.19 × 28,764.18
  4. Step 4: Simplify right side
    48,906.45x = 1,941,328,918.76
  5. Step 5: Solve for x
    x = 1,941,328,918.76/48,906.45
  6. Step 6: Final answer
    x = 39,694.74

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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.