Home / 70,227.31-96,889.94-39,991.19

Finding the Fourth Proportional to 70,227.31, 96,889.94 and 39,991.19

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Solution

The fourth proportional to 70,227.31, 96,889.94 and 39,991.19 is: 55,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.31 : 96,889.94 = 39,991.19 : x
  2. Step 2: Convert to fraction form
    70,227.31/96,889.94 = 39,991.19/x
  3. Step 3: Cross multiply
    70,227.31x = 96,889.94 × 39,991.19
  4. Step 4: Simplify right side
    70,227.31x = 3,874,743,999.63
  5. Step 5: Solve for x
    x = 3,874,743,999.63/70,227.31
  6. Step 6: Final answer
    x = 55,174.32

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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.