Home / 76,669.56-115,009.92-24,078.60

Finding the Fourth Proportional to 76,669.56, 115,009.92 and 24,078.60

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Solution

The fourth proportional to 76,669.56, 115,009.92 and 24,078.60 is: 36,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,669.56 : 115,009.92 = 24,078.60 : x
  2. Step 2: Convert to fraction form
    76,669.56/115,009.92 = 24,078.60/x
  3. Step 3: Cross multiply
    76,669.56x = 115,009.92 × 24,078.60
  4. Step 4: Simplify right side
    76,669.56x = 2,769,277,859.71
  5. Step 5: Solve for x
    x = 2,769,277,859.71/76,669.56
  6. Step 6: Final answer
    x = 36,119.65

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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.