Home / 108,936.20-163,409.10-61,550.60

Finding the Fourth Proportional to 108,936.20, 163,409.10 and 61,550.60

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Solution

The fourth proportional to 108,936.20, 163,409.10 and 61,550.60 is: 92,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936.20 : 163,409.10 = 61,550.60 : x
  2. Step 2: Convert to fraction form
    108,936.20/163,409.10 = 61,550.60/x
  3. Step 3: Cross multiply
    108,936.20x = 163,409.10 × 61,550.60
  4. Step 4: Simplify right side
    108,936.20x = 10,057,928,150.46
  5. Step 5: Solve for x
    x = 10,057,928,150.46/108,936.20
  6. Step 6: Final answer
    x = 92,328.61

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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.