Home / 53,161.29-73,365.90-29,287.97

Finding the Fourth Proportional to 53,161.29, 73,365.90 and 29,287.97

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Solution

The fourth proportional to 53,161.29, 73,365.90 and 29,287.97 is: 40,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.29 : 73,365.90 = 29,287.97 : x
  2. Step 2: Convert to fraction form
    53,161.29/73,365.90 = 29,287.97/x
  3. Step 3: Cross multiply
    53,161.29x = 73,365.90 × 29,287.97
  4. Step 4: Simplify right side
    53,161.29x = 2,148,737,911.39
  5. Step 5: Solve for x
    x = 2,148,737,911.39/53,161.29
  6. Step 6: Final answer
    x = 40,419.22

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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.