Home / 76,669.17-115,021.96-24,078.67

Finding the Fourth Proportional to 76,669.17, 115,021.96 and 24,078.67

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Solution

The fourth proportional to 76,669.17, 115,021.96 and 24,078.67 is: 36,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,669.17 : 115,021.96 = 24,078.67 : x
  2. Step 2: Convert to fraction form
    76,669.17/115,021.96 = 24,078.67/x
  3. Step 3: Cross multiply
    76,669.17x = 115,021.96 × 24,078.67
  4. Step 4: Simplify right side
    76,669.17x = 2,769,575,469.84
  5. Step 5: Solve for x
    x = 2,769,575,469.84/76,669.17
  6. Step 6: Final answer
    x = 36,123.72

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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.