Home / 57,766.20-86,606.10-31,500.60

Finding the Fourth Proportional to 57,766.20, 86,606.10 and 31,500.60

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Solution

The fourth proportional to 57,766.20, 86,606.10 and 31,500.60 is: 47,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.20 : 86,606.10 = 31,500.60 : x
  2. Step 2: Convert to fraction form
    57,766.20/86,606.10 = 31,500.60/x
  3. Step 3: Cross multiply
    57,766.20x = 86,606.10 × 31,500.60
  4. Step 4: Simplify right side
    57,766.20x = 2,728,144,113.66
  5. Step 5: Solve for x
    x = 2,728,144,113.66/57,766.20
  6. Step 6: Final answer
    x = 47,227.34

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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.