Home / 70,016.49-104,993.82-20,085.26

Finding the Fourth Proportional to 70,016.49, 104,993.82 and 20,085.26

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Solution

The fourth proportional to 70,016.49, 104,993.82 and 20,085.26 is: 30,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016.49 : 104,993.82 = 20,085.26 : x
  2. Step 2: Convert to fraction form
    70,016.49/104,993.82 = 20,085.26/x
  3. Step 3: Cross multiply
    70,016.49x = 104,993.82 × 20,085.26
  4. Step 4: Simplify right side
    70,016.49x = 2,108,827,648.12
  5. Step 5: Solve for x
    x = 2,108,827,648.12/70,016.49
  6. Step 6: Final answer
    x = 30,119.01

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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.