Home / 76,666.85-115,018.79-24,076.33

Finding the Fourth Proportional to 76,666.85, 115,018.79 and 24,076.33

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Solution

The fourth proportional to 76,666.85, 115,018.79 and 24,076.33 is: 36,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,666.85 : 115,018.79 = 24,076.33 : x
  2. Step 2: Convert to fraction form
    76,666.85/115,018.79 = 24,076.33/x
  3. Step 3: Cross multiply
    76,666.85x = 115,018.79 × 24,076.33
  4. Step 4: Simplify right side
    76,666.85x = 2,769,229,648.77
  5. Step 5: Solve for x
    x = 2,769,229,648.77/76,666.85
  6. Step 6: Final answer
    x = 36,120.30

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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.