Home / 71,404.20-98,537.58-39,573.09

Finding the Fourth Proportional to 71,404.20, 98,537.58 and 39,573.09

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Solution

The fourth proportional to 71,404.20, 98,537.58 and 39,573.09 is: 54,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404.20 : 98,537.58 = 39,573.09 : x
  2. Step 2: Convert to fraction form
    71,404.20/98,537.58 = 39,573.09/x
  3. Step 3: Cross multiply
    71,404.20x = 98,537.58 × 39,573.09
  4. Step 4: Simplify right side
    71,404.20x = 3,899,436,521.72
  5. Step 5: Solve for x
    x = 3,899,436,521.72/71,404.20
  6. Step 6: Final answer
    x = 54,610.74

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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.