Home / 56,548.94-78,037.56-31,398.44

Finding the Fourth Proportional to 56,548.94, 78,037.56 and 31,398.44

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Solution

The fourth proportional to 56,548.94, 78,037.56 and 31,398.44 is: 43,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,548.94 : 78,037.56 = 31,398.44 : x
  2. Step 2: Convert to fraction form
    56,548.94/78,037.56 = 31,398.44/x
  3. Step 3: Cross multiply
    56,548.94x = 78,037.56 × 31,398.44
  4. Step 4: Simplify right side
    56,548.94x = 2,450,257,255.22
  5. Step 5: Solve for x
    x = 2,450,257,255.22/56,548.94
  6. Step 6: Final answer
    x = 43,329.86

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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.