Home / 57,047.46-78,725.97-31,553.43

Finding the Fourth Proportional to 57,047.46, 78,725.97 and 31,553.43

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Solution

The fourth proportional to 57,047.46, 78,725.97 and 31,553.43 is: 43,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047.46 : 78,725.97 = 31,553.43 : x
  2. Step 2: Convert to fraction form
    57,047.46/78,725.97 = 31,553.43/x
  3. Step 3: Cross multiply
    57,047.46x = 78,725.97 × 31,553.43
  4. Step 4: Simplify right side
    57,047.46x = 2,484,074,383.58
  5. Step 5: Solve for x
    x = 2,484,074,383.58/57,047.46
  6. Step 6: Final answer
    x = 43,544.00

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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.