Home / 75,103.22-103,668.32-43,284.80

Finding the Fourth Proportional to 75,103.22, 103,668.32 and 43,284.80

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Solution

The fourth proportional to 75,103.22, 103,668.32 and 43,284.80 is: 59,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.22 : 103,668.32 = 43,284.80 : x
  2. Step 2: Convert to fraction form
    75,103.22/103,668.32 = 43,284.80/x
  3. Step 3: Cross multiply
    75,103.22x = 103,668.32 × 43,284.80
  4. Step 4: Simplify right side
    75,103.22x = 4,487,262,497.54
  5. Step 5: Solve for x
    x = 4,487,262,497.54/75,103.22
  6. Step 6: Final answer
    x = 59,747.94

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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.