Home / 49,113.93-73,609.22-21,000.96

Finding the Fourth Proportional to 49,113.93, 73,609.22 and 21,000.96

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Solution

The fourth proportional to 49,113.93, 73,609.22 and 21,000.96 is: 31,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.93 : 73,609.22 = 21,000.96 : x
  2. Step 2: Convert to fraction form
    49,113.93/73,609.22 = 21,000.96/x
  3. Step 3: Cross multiply
    49,113.93x = 73,609.22 × 21,000.96
  4. Step 4: Simplify right side
    49,113.93x = 1,545,864,179.85
  5. Step 5: Solve for x
    x = 1,545,864,179.85/49,113.93
  6. Step 6: Final answer
    x = 31,475.07

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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.