Home / 57,137.94-78,824.19-37,001.31

Finding the Fourth Proportional to 57,137.94, 78,824.19 and 37,001.31

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Solution

The fourth proportional to 57,137.94, 78,824.19 and 37,001.31 is: 51,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,137.94 : 78,824.19 = 37,001.31 : x
  2. Step 2: Convert to fraction form
    57,137.94/78,824.19 = 37,001.31/x
  3. Step 3: Cross multiply
    57,137.94x = 78,824.19 × 37,001.31
  4. Step 4: Simplify right side
    57,137.94x = 2,916,597,895.57
  5. Step 5: Solve for x
    x = 2,916,597,895.57/57,137.94
  6. Step 6: Final answer
    x = 51,044.86

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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.