Home / 69,968.55-104,952.30-20,048.69

Finding the Fourth Proportional to 69,968.55, 104,952.30 and 20,048.69

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Solution

The fourth proportional to 69,968.55, 104,952.30 and 20,048.69 is: 30,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.55 : 104,952.30 = 20,048.69 : x
  2. Step 2: Convert to fraction form
    69,968.55/104,952.30 = 20,048.69/x
  3. Step 3: Cross multiply
    69,968.55x = 104,952.30 × 20,048.69
  4. Step 4: Simplify right side
    69,968.55x = 2,104,156,127.49
  5. Step 5: Solve for x
    x = 2,104,156,127.49/69,968.55
  6. Step 6: Final answer
    x = 30,072.88

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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.