Home / 48,740.40-73,105.20-13,683.60

Finding the Fourth Proportional to 48,740.40, 73,105.20 and 13,683.60

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Solution

The fourth proportional to 48,740.40, 73,105.20 and 13,683.60 is: 20,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740.40 : 73,105.20 = 13,683.60 : x
  2. Step 2: Convert to fraction form
    48,740.40/73,105.20 = 13,683.60/x
  3. Step 3: Cross multiply
    48,740.40x = 73,105.20 × 13,683.60
  4. Step 4: Simplify right side
    48,740.40x = 1,000,342,314.72
  5. Step 5: Solve for x
    x = 1,000,342,314.72/48,740.40
  6. Step 6: Final answer
    x = 20,523.88

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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.