Home / 70,014.49-104,990.82-20,083.26

Finding the Fourth Proportional to 70,014.49, 104,990.82 and 20,083.26

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Solution

The fourth proportional to 70,014.49, 104,990.82 and 20,083.26 is: 30,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,014.49 : 104,990.82 = 20,083.26 : x
  2. Step 2: Convert to fraction form
    70,014.49/104,990.82 = 20,083.26/x
  3. Step 3: Cross multiply
    70,014.49x = 104,990.82 × 20,083.26
  4. Step 4: Simplify right side
    70,014.49x = 2,108,557,935.67
  5. Step 5: Solve for x
    x = 2,108,557,935.67/70,014.49
  6. Step 6: Final answer
    x = 30,116.02

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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.