Home / 75,865.12-104,668.90-49,023.44

Finding the Fourth Proportional to 75,865.12, 104,668.90 and 49,023.44

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Solution

The fourth proportional to 75,865.12, 104,668.90 and 49,023.44 is: 67,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.12 : 104,668.90 = 49,023.44 : x
  2. Step 2: Convert to fraction form
    75,865.12/104,668.90 = 49,023.44/x
  3. Step 3: Cross multiply
    75,865.12x = 104,668.90 × 49,023.44
  4. Step 4: Simplify right side
    75,865.12x = 5,131,229,539.02
  5. Step 5: Solve for x
    x = 5,131,229,539.02/75,865.12
  6. Step 6: Final answer
    x = 67,636.21

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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.