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Finding the Fourth Proportional to 71,313.26, 106,911.57 and 26,914.73

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Solution

The fourth proportional to 71,313.26, 106,911.57 and 26,914.73 is: 40,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.26 : 106,911.57 = 26,914.73 : x
  2. Step 2: Convert to fraction form
    71,313.26/106,911.57 = 26,914.73/x
  3. Step 3: Cross multiply
    71,313.26x = 106,911.57 × 26,914.73
  4. Step 4: Simplify right side
    71,313.26x = 2,877,496,040.43
  5. Step 5: Solve for x
    x = 2,877,496,040.43/71,313.26
  6. Step 6: Final answer
    x = 40,350.08

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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.