Home / 51,285.13-76,674.81-43,474.80

Finding the Fourth Proportional to 51,285.13, 76,674.81 and 43,474.80

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Solution

The fourth proportional to 51,285.13, 76,674.81 and 43,474.80 is: 64,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.13 : 76,674.81 = 43,474.80 : x
  2. Step 2: Convert to fraction form
    51,285.13/76,674.81 = 43,474.80/x
  3. Step 3: Cross multiply
    51,285.13x = 76,674.81 × 43,474.80
  4. Step 4: Simplify right side
    51,285.13x = 3,333,422,029.79
  5. Step 5: Solve for x
    x = 3,333,422,029.79/51,285.13
  6. Step 6: Final answer
    x = 64,997.83

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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.