Home / 48,748.85-73,122.93-13,688.54

Finding the Fourth Proportional to 48,748.85, 73,122.93 and 13,688.54

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Solution

The fourth proportional to 48,748.85, 73,122.93 and 13,688.54 is: 20,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,748.85 : 73,122.93 = 13,688.54 : x
  2. Step 2: Convert to fraction form
    48,748.85/73,122.93 = 13,688.54/x
  3. Step 3: Cross multiply
    48,748.85x = 73,122.93 × 13,688.54
  4. Step 4: Simplify right side
    48,748.85x = 1,000,945,786.61
  5. Step 5: Solve for x
    x = 1,000,945,786.61/48,748.85
  6. Step 6: Final answer
    x = 20,532.71

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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.