Home / 71,079.50-106,553.64-26,676.11

Finding the Fourth Proportional to 71,079.50, 106,553.64 and 26,676.11

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Solution

The fourth proportional to 71,079.50, 106,553.64 and 26,676.11 is: 39,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,079.50 : 106,553.64 = 26,676.11 : x
  2. Step 2: Convert to fraction form
    71,079.50/106,553.64 = 26,676.11/x
  3. Step 3: Cross multiply
    71,079.50x = 106,553.64 × 26,676.11
  4. Step 4: Simplify right side
    71,079.50x = 2,842,436,621.54
  5. Step 5: Solve for x
    x = 2,842,436,621.54/71,079.50
  6. Step 6: Final answer
    x = 39,989.54

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1.5x scale

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.