Home / 49,834.20-74,751.30-31,402.20

Finding the Fourth Proportional to 49,834.20, 74,751.30 and 31,402.20

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Solution

The fourth proportional to 49,834.20, 74,751.30 and 31,402.20 is: 47,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.20 : 74,751.30 = 31,402.20 : x
  2. Step 2: Convert to fraction form
    49,834.20/74,751.30 = 31,402.20/x
  3. Step 3: Cross multiply
    49,834.20x = 74,751.30 × 31,402.20
  4. Step 4: Simplify right side
    49,834.20x = 2,347,355,272.86
  5. Step 5: Solve for x
    x = 2,347,355,272.86/49,834.20
  6. Step 6: Final answer
    x = 47,103.30

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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.