Home / 53,887.95-74,365.49-31,231.31

Finding the Fourth Proportional to 53,887.95, 74,365.49 and 31,231.31

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Solution

The fourth proportional to 53,887.95, 74,365.49 and 31,231.31 is: 43,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.95 : 74,365.49 = 31,231.31 : x
  2. Step 2: Convert to fraction form
    53,887.95/74,365.49 = 31,231.31/x
  3. Step 3: Cross multiply
    53,887.95x = 74,365.49 × 31,231.31
  4. Step 4: Simplify right side
    53,887.95x = 2,322,531,377.74
  5. Step 5: Solve for x
    x = 2,322,531,377.74/53,887.95
  6. Step 6: Final answer
    x = 43,099.27

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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.