Home / 73,109.26-100,890.93-39,575.26

Finding the Fourth Proportional to 73,109.26, 100,890.93 and 39,575.26

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Solution

The fourth proportional to 73,109.26, 100,890.93 and 39,575.26 is: 54,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,109.26 : 100,890.93 = 39,575.26 : x
  2. Step 2: Convert to fraction form
    73,109.26/100,890.93 = 39,575.26/x
  3. Step 3: Cross multiply
    73,109.26x = 100,890.93 × 39,575.26
  4. Step 4: Simplify right side
    73,109.26x = 3,992,784,786.39
  5. Step 5: Solve for x
    x = 3,992,784,786.39/73,109.26
  6. Step 6: Final answer
    x = 54,613.94

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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.