Home / 48,761.78-73,156.68-20,293.19

Finding the Fourth Proportional to 48,761.78, 73,156.68 and 20,293.19

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Solution

The fourth proportional to 48,761.78, 73,156.68 and 20,293.19 is: 30,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.78 : 73,156.68 = 20,293.19 : x
  2. Step 2: Convert to fraction form
    48,761.78/73,156.68 = 20,293.19/x
  3. Step 3: Cross multiply
    48,761.78x = 73,156.68 × 20,293.19
  4. Step 4: Simplify right side
    48,761.78x = 1,484,582,305.54
  5. Step 5: Solve for x
    x = 1,484,582,305.54/48,761.78
  6. Step 6: Final answer
    x = 30,445.62

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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.