Home / 48,866.31-73,321.34-28,089.81

Finding the Fourth Proportional to 48,866.31, 73,321.34 and 28,089.81

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Solution

The fourth proportional to 48,866.31, 73,321.34 and 28,089.81 is: 42,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.31 : 73,321.34 = 28,089.81 : x
  2. Step 2: Convert to fraction form
    48,866.31/73,321.34 = 28,089.81/x
  3. Step 3: Cross multiply
    48,866.31x = 73,321.34 × 28,089.81
  4. Step 4: Simplify right side
    48,866.31x = 2,059,582,369.10
  5. Step 5: Solve for x
    x = 2,059,582,369.10/48,866.31
  6. Step 6: Final answer
    x = 42,147.29

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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.