Home / 75,004.20-112,506.30-48,738.60

Finding the Fourth Proportional to 75,004.20, 112,506.30 and 48,738.60

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Solution

The fourth proportional to 75,004.20, 112,506.30 and 48,738.60 is: 73,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.20 : 112,506.30 = 48,738.60 : x
  2. Step 2: Convert to fraction form
    75,004.20/112,506.30 = 48,738.60/x
  3. Step 3: Cross multiply
    75,004.20x = 112,506.30 × 48,738.60
  4. Step 4: Simplify right side
    75,004.20x = 5,483,399,553.18
  5. Step 5: Solve for x
    x = 5,483,399,553.18/75,004.20
  6. Step 6: Final answer
    x = 73,107.90

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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.