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Finding the Fourth Proportional to 71,009.56, 106,569.34 and 26,676.60

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Solution

The fourth proportional to 71,009.56, 106,569.34 and 26,676.60 is: 40,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009.56 : 106,569.34 = 26,676.60 : x
  2. Step 2: Convert to fraction form
    71,009.56/106,569.34 = 26,676.60/x
  3. Step 3: Cross multiply
    71,009.56x = 106,569.34 × 26,676.60
  4. Step 4: Simplify right side
    71,009.56x = 2,842,907,655.44
  5. Step 5: Solve for x
    x = 2,842,907,655.44/71,009.56
  6. Step 6: Final answer
    x = 40,035.56

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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.