Home / 53,891.69-74,370.54-31,243.81

Finding the Fourth Proportional to 53,891.69, 74,370.54 and 31,243.81

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Solution

The fourth proportional to 53,891.69, 74,370.54 and 31,243.81 is: 43,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.69 : 74,370.54 = 31,243.81 : x
  2. Step 2: Convert to fraction form
    53,891.69/74,370.54 = 31,243.81/x
  3. Step 3: Cross multiply
    53,891.69x = 74,370.54 × 31,243.81
  4. Step 4: Simplify right side
    53,891.69x = 2,323,619,021.36
  5. Step 5: Solve for x
    x = 2,323,619,021.36/53,891.69
  6. Step 6: Final answer
    x = 43,116.46

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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.