Home / 41,139.91-61,711.98-11,560.05

Finding the Fourth Proportional to 41,139.91, 61,711.98 and 11,560.05

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Solution

The fourth proportional to 41,139.91, 61,711.98 and 11,560.05 is: 17,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.91 : 61,711.98 = 11,560.05 : x
  2. Step 2: Convert to fraction form
    41,139.91/61,711.98 = 11,560.05/x
  3. Step 3: Cross multiply
    41,139.91x = 61,711.98 × 11,560.05
  4. Step 4: Simplify right side
    41,139.91x = 713,393,769.64
  5. Step 5: Solve for x
    x = 713,393,769.64/41,139.91
  6. Step 6: Final answer
    x = 17,340.67

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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.