Home / 69,747.04-104,561.79-30,274.48

Finding the Fourth Proportional to 69,747.04, 104,561.79 and 30,274.48

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Solution

The fourth proportional to 69,747.04, 104,561.79 and 30,274.48 is: 45,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,747.04 : 104,561.79 = 30,274.48 : x
  2. Step 2: Convert to fraction form
    69,747.04/104,561.79 = 30,274.48/x
  3. Step 3: Cross multiply
    69,747.04x = 104,561.79 × 30,274.48
  4. Step 4: Simplify right side
    69,747.04x = 3,165,553,820.12
  5. Step 5: Solve for x
    x = 3,165,553,820.12/69,747.04
  6. Step 6: Final answer
    x = 45,386.21

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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.