Home / 71,299.05-98,393.18-39,467.27

Finding the Fourth Proportional to 71,299.05, 98,393.18 and 39,467.27

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Solution

The fourth proportional to 71,299.05, 98,393.18 and 39,467.27 is: 54,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,299.05 : 98,393.18 = 39,467.27 : x
  2. Step 2: Convert to fraction form
    71,299.05/98,393.18 = 39,467.27/x
  3. Step 3: Cross multiply
    71,299.05x = 98,393.18 × 39,467.27
  4. Step 4: Simplify right side
    71,299.05x = 3,883,309,511.92
  5. Step 5: Solve for x
    x = 3,883,309,511.92/71,299.05
  6. Step 6: Final answer
    x = 54,465.09

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1.5x scale

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.