Home / 71,973.33-99,323.37-40,144.29

Finding the Fourth Proportional to 71,973.33, 99,323.37 and 40,144.29

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Solution

The fourth proportional to 71,973.33, 99,323.37 and 40,144.29 is: 55,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.33 : 99,323.37 = 40,144.29 : x
  2. Step 2: Convert to fraction form
    71,973.33/99,323.37 = 40,144.29/x
  3. Step 3: Cross multiply
    71,973.33x = 99,323.37 × 40,144.29
  4. Step 4: Simplify right side
    71,973.33x = 3,987,266,169.06
  5. Step 5: Solve for x
    x = 3,987,266,169.06/71,973.33
  6. Step 6: Final answer
    x = 55,399.22

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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.