Home / 108,424.25-162,785.62-55,152.28

Finding the Fourth Proportional to 108,424.25, 162,785.62 and 55,152.28

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Solution

The fourth proportional to 108,424.25, 162,785.62 and 55,152.28 is: 82,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,424.25 : 162,785.62 = 55,152.28 : x
  2. Step 2: Convert to fraction form
    108,424.25/162,785.62 = 55,152.28/x
  3. Step 3: Cross multiply
    108,424.25x = 162,785.62 × 55,152.28
  4. Step 4: Simplify right side
    108,424.25x = 8,977,998,550.37
  5. Step 5: Solve for x
    x = 8,977,998,550.37/108,424.25
  6. Step 6: Final answer
    x = 82,804.34

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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.