Home / 71,908.50-99,234.06-41,711.70

Finding the Fourth Proportional to 71,908.50, 99,234.06 and 41,711.70

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Solution

The fourth proportional to 71,908.50, 99,234.06 and 41,711.70 is: 57,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908.50 : 99,234.06 = 41,711.70 : x
  2. Step 2: Convert to fraction form
    71,908.50/99,234.06 = 41,711.70/x
  3. Step 3: Cross multiply
    71,908.50x = 99,234.06 × 41,711.70
  4. Step 4: Simplify right side
    71,908.50x = 4,139,221,340.50
  5. Step 5: Solve for x
    x = 4,139,221,340.50/71,908.50
  6. Step 6: Final answer
    x = 57,562.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.