Home / 48,819.75-67,371.74-28,683.10

Finding the Fourth Proportional to 48,819.75, 67,371.74 and 28,683.10

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Solution

The fourth proportional to 48,819.75, 67,371.74 and 28,683.10 is: 39,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.75 : 67,371.74 = 28,683.10 : x
  2. Step 2: Convert to fraction form
    48,819.75/67,371.74 = 28,683.10/x
  3. Step 3: Cross multiply
    48,819.75x = 67,371.74 × 28,683.10
  4. Step 4: Simplify right side
    48,819.75x = 1,932,430,355.59
  5. Step 5: Solve for x
    x = 1,932,430,355.59/48,819.75
  6. Step 6: Final answer
    x = 39,582.96

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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.