Home / 49,558.20-74,337.30-47,808.60

Finding the Fourth Proportional to 49,558.20, 74,337.30 and 47,808.60

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Solution

The fourth proportional to 49,558.20, 74,337.30 and 47,808.60 is: 71,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,558.20 : 74,337.30 = 47,808.60 : x
  2. Step 2: Convert to fraction form
    49,558.20/74,337.30 = 47,808.60/x
  3. Step 3: Cross multiply
    49,558.20x = 74,337.30 × 47,808.60
  4. Step 4: Simplify right side
    49,558.20x = 3,553,962,240.78
  5. Step 5: Solve for x
    x = 3,553,962,240.78/49,558.20
  6. Step 6: Final answer
    x = 71,712.90

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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.