Home / 70,895.03-106,305.75-20,968.56

Finding the Fourth Proportional to 70,895.03, 106,305.75 and 20,968.56

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Solution

The fourth proportional to 70,895.03, 106,305.75 and 20,968.56 is: 31,441.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.03 : 106,305.75 = 20,968.56 : x
  2. Step 2: Convert to fraction form
    70,895.03/106,305.75 = 20,968.56/x
  3. Step 3: Cross multiply
    70,895.03x = 106,305.75 × 20,968.56
  4. Step 4: Simplify right side
    70,895.03x = 2,229,078,497.22
  5. Step 5: Solve for x
    x = 2,229,078,497.22/70,895.03
  6. Step 6: Final answer
    x = 31,441.96

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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.