Home / 51,991.90-71,760.60-43,479.24

Finding the Fourth Proportional to 51,991.90, 71,760.60 and 43,479.24

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Solution

The fourth proportional to 51,991.90, 71,760.60 and 43,479.24 is: 60,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.90 : 71,760.60 = 43,479.24 : x
  2. Step 2: Convert to fraction form
    51,991.90/71,760.60 = 43,479.24/x
  3. Step 3: Cross multiply
    51,991.90x = 71,760.60 × 43,479.24
  4. Step 4: Simplify right side
    51,991.90x = 3,120,096,349.94
  5. Step 5: Solve for x
    x = 3,120,096,349.94/51,991.90
  6. Step 6: Final answer
    x = 60,011.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.