Home / 53,889.73-74,377.82-31,243.34

Finding the Fourth Proportional to 53,889.73, 74,377.82 and 31,243.34

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Solution

The fourth proportional to 53,889.73, 74,377.82 and 31,243.34 is: 43,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,889.73 : 74,377.82 = 31,243.34 : x
  2. Step 2: Convert to fraction form
    53,889.73/74,377.82 = 31,243.34/x
  3. Step 3: Cross multiply
    53,889.73x = 74,377.82 × 31,243.34
  4. Step 4: Simplify right side
    53,889.73x = 2,323,811,782.77
  5. Step 5: Solve for x
    x = 2,323,811,782.77/53,889.73
  6. Step 6: Final answer
    x = 43,121.61

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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.