Home / 108,771.48-163,240.38-52,644.60

Finding the Fourth Proportional to 108,771.48, 163,240.38 and 52,644.60

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Solution

The fourth proportional to 108,771.48, 163,240.38 and 52,644.60 is: 79,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,771.48 : 163,240.38 = 52,644.60 : x
  2. Step 2: Convert to fraction form
    108,771.48/163,240.38 = 52,644.60/x
  3. Step 3: Cross multiply
    108,771.48x = 163,240.38 × 52,644.60
  4. Step 4: Simplify right side
    108,771.48x = 8,593,724,508.95
  5. Step 5: Solve for x
    x = 8,593,724,508.95/108,771.48
  6. Step 6: Final answer
    x = 79,007.15

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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.