Home / 71,026.14-106,563.92-31,611.54

Finding the Fourth Proportional to 71,026.14, 106,563.92 and 31,611.54

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Solution

The fourth proportional to 71,026.14, 106,563.92 and 31,611.54 is: 47,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.14 : 106,563.92 = 31,611.54 : x
  2. Step 2: Convert to fraction form
    71,026.14/106,563.92 = 31,611.54/x
  3. Step 3: Cross multiply
    71,026.14x = 106,563.92 × 31,611.54
  4. Step 4: Simplify right side
    71,026.14x = 3,368,649,461.58
  5. Step 5: Solve for x
    x = 3,368,649,461.58/71,026.14
  6. Step 6: Final answer
    x = 47,428.31

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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.