Home / 48,916.20-73,451.10-28,180.20

Finding the Fourth Proportional to 48,916.20, 73,451.10 and 28,180.20

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Solution

The fourth proportional to 48,916.20, 73,451.10 and 28,180.20 is: 42,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.20 : 73,451.10 = 28,180.20 : x
  2. Step 2: Convert to fraction form
    48,916.20/73,451.10 = 28,180.20/x
  3. Step 3: Cross multiply
    48,916.20x = 73,451.10 × 28,180.20
  4. Step 4: Simplify right side
    48,916.20x = 2,069,866,688.22
  5. Step 5: Solve for x
    x = 2,069,866,688.22/48,916.20
  6. Step 6: Final answer
    x = 42,314.54

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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.