Home / 76,668.85-115,021.79-24,078.33

Finding the Fourth Proportional to 76,668.85, 115,021.79 and 24,078.33

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Solution

The fourth proportional to 76,668.85, 115,021.79 and 24,078.33 is: 36,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668.85 : 115,021.79 = 24,078.33 : x
  2. Step 2: Convert to fraction form
    76,668.85/115,021.79 = 24,078.33/x
  3. Step 3: Cross multiply
    76,668.85x = 115,021.79 × 24,078.33
  4. Step 4: Simplify right side
    76,668.85x = 2,769,532,616.81
  5. Step 5: Solve for x
    x = 2,769,532,616.81/76,668.85
  6. Step 6: Final answer
    x = 36,123.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.