Home / 56,995.59-78,652.31-31,845.09

Finding the Fourth Proportional to 56,995.59, 78,652.31 and 31,845.09

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Solution

The fourth proportional to 56,995.59, 78,652.31 and 31,845.09 is: 43,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.59 : 78,652.31 = 31,845.09 : x
  2. Step 2: Convert to fraction form
    56,995.59/78,652.31 = 31,845.09/x
  3. Step 3: Cross multiply
    56,995.59x = 78,652.31 × 31,845.09
  4. Step 4: Simplify right side
    56,995.59x = 2,504,689,731.43
  5. Step 5: Solve for x
    x = 2,504,689,731.43/56,995.59
  6. Step 6: Final answer
    x = 43,945.33

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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.