Home / 71,289.23-106,885.24-36,161.15

Finding the Fourth Proportional to 71,289.23, 106,885.24 and 36,161.15

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Solution

The fourth proportional to 71,289.23, 106,885.24 and 36,161.15 is: 54,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,289.23 : 106,885.24 = 36,161.15 : x
  2. Step 2: Convert to fraction form
    71,289.23/106,885.24 = 36,161.15/x
  3. Step 3: Cross multiply
    71,289.23x = 106,885.24 × 36,161.15
  4. Step 4: Simplify right side
    71,289.23x = 3,865,093,196.43
  5. Step 5: Solve for x
    x = 3,865,093,196.43/71,289.23
  6. Step 6: Final answer
    x = 54,217.07

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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.