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Finding the Fourth Proportional to 69,485.04, 104,207.04 and 30,032.64

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Solution

The fourth proportional to 69,485.04, 104,207.04 and 30,032.64 is: 45,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.04 : 104,207.04 = 30,032.64 : x
  2. Step 2: Convert to fraction form
    69,485.04/104,207.04 = 30,032.64/x
  3. Step 3: Cross multiply
    69,485.04x = 104,207.04 × 30,032.64
  4. Step 4: Simplify right side
    69,485.04x = 3,129,612,517.79
  5. Step 5: Solve for x
    x = 3,129,612,517.79/69,485.04
  6. Step 6: Final answer
    x = 45,040.09

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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.