Home / 253,056.42-379,576.40-66,067.92

Finding the Fourth Proportional to 253,056.42, 379,576.40 and 66,067.92

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Solution

The fourth proportional to 253,056.42, 379,576.40 and 66,067.92 is: 99,099.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,056.42 : 379,576.40 = 66,067.92 : x
  2. Step 2: Convert to fraction form
    253,056.42/379,576.40 = 66,067.92/x
  3. Step 3: Cross multiply
    253,056.42x = 379,576.40 × 66,067.92
  4. Step 4: Simplify right side
    253,056.42x = 25,077,822,898.75
  5. Step 5: Solve for x
    x = 25,077,822,898.75/253,056.42
  6. Step 6: Final answer
    x = 99,099.73

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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.