Home / 75,768.86-113,635.04-23,178.80

Finding the Fourth Proportional to 75,768.86, 113,635.04 and 23,178.80

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Solution

The fourth proportional to 75,768.86, 113,635.04 and 23,178.80 is: 34,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.86 : 113,635.04 = 23,178.80 : x
  2. Step 2: Convert to fraction form
    75,768.86/113,635.04 = 23,178.80/x
  3. Step 3: Cross multiply
    75,768.86x = 113,635.04 × 23,178.80
  4. Step 4: Simplify right side
    75,768.86x = 2,633,923,865.15
  5. Step 5: Solve for x
    x = 2,633,923,865.15/75,768.86
  6. Step 6: Final answer
    x = 34,762.62

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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.