Home / 49,218.30-73,827.45-31,707.90

Finding the Fourth Proportional to 49,218.30, 73,827.45 and 31,707.90

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Solution

The fourth proportional to 49,218.30, 73,827.45 and 31,707.90 is: 47,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,218.30 : 73,827.45 = 31,707.90 : x
  2. Step 2: Convert to fraction form
    49,218.30/73,827.45 = 31,707.90/x
  3. Step 3: Cross multiply
    49,218.30x = 73,827.45 × 31,707.90
  4. Step 4: Simplify right side
    49,218.30x = 2,340,913,401.86
  5. Step 5: Solve for x
    x = 2,340,913,401.86/49,218.30
  6. Step 6: Final answer
    x = 47,561.85

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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.