Home / 76,358.20-113,975.27-71,010.04

Finding the Fourth Proportional to 76,358.20, 113,975.27 and 71,010.04

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Solution

The fourth proportional to 76,358.20, 113,975.27 and 71,010.04 is: 105,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,358.20 : 113,975.27 = 71,010.04 : x
  2. Step 2: Convert to fraction form
    76,358.20/113,975.27 = 71,010.04/x
  3. Step 3: Cross multiply
    76,358.20x = 113,975.27 × 71,010.04
  4. Step 4: Simplify right side
    76,358.20x = 8,093,388,481.71
  5. Step 5: Solve for x
    x = 8,093,388,481.71/76,358.20
  6. Step 6: Final answer
    x = 105,992.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.