Home / 54,301.14-74,945.79-31,643.46

Finding the Fourth Proportional to 54,301.14, 74,945.79 and 31,643.46

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Solution

The fourth proportional to 54,301.14, 74,945.79 and 31,643.46 is: 43,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.14 : 74,945.79 = 31,643.46 : x
  2. Step 2: Convert to fraction form
    54,301.14/74,945.79 = 31,643.46/x
  3. Step 3: Cross multiply
    54,301.14x = 74,945.79 × 31,643.46
  4. Step 4: Simplify right side
    54,301.14x = 2,371,544,108.03
  5. Step 5: Solve for x
    x = 2,371,544,108.03/54,301.14
  6. Step 6: Final answer
    x = 43,673.93

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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.