Home / 78,637.23-117,939.24-25,333.97

Finding the Fourth Proportional to 78,637.23, 117,939.24 and 25,333.97

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Solution

The fourth proportional to 78,637.23, 117,939.24 and 25,333.97 is: 37,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637.23 : 117,939.24 = 25,333.97 : x
  2. Step 2: Convert to fraction form
    78,637.23/117,939.24 = 25,333.97/x
  3. Step 3: Cross multiply
    78,637.23x = 117,939.24 × 25,333.97
  4. Step 4: Simplify right side
    78,637.23x = 2,987,868,578.29
  5. Step 5: Solve for x
    x = 2,987,868,578.29/78,637.23
  6. Step 6: Final answer
    x = 37,995.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.