Home / 53,893.44-74,376.96-31,239.36

Finding the Fourth Proportional to 53,893.44, 74,376.96 and 31,239.36

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Solution

The fourth proportional to 53,893.44, 74,376.96 and 31,239.36 is: 43,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.44 : 74,376.96 = 31,239.36 : x
  2. Step 2: Convert to fraction form
    53,893.44/74,376.96 = 31,239.36/x
  3. Step 3: Cross multiply
    53,893.44x = 74,376.96 × 31,239.36
  4. Step 4: Simplify right side
    53,893.44x = 2,323,488,629.15
  5. Step 5: Solve for x
    x = 2,323,488,629.15/53,893.44
  6. Step 6: Final answer
    x = 43,112.64

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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.