Home / 69,773.20-104,684.10-30,358.60

Finding the Fourth Proportional to 69,773.20, 104,684.10 and 30,358.60

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Solution

The fourth proportional to 69,773.20, 104,684.10 and 30,358.60 is: 45,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.20 : 104,684.10 = 30,358.60 : x
  2. Step 2: Convert to fraction form
    69,773.20/104,684.10 = 30,358.60/x
  3. Step 3: Cross multiply
    69,773.20x = 104,684.10 × 30,358.60
  4. Step 4: Simplify right side
    69,773.20x = 3,178,062,718.26
  5. Step 5: Solve for x
    x = 3,178,062,718.26/69,773.20
  6. Step 6: Final answer
    x = 45,548.47

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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.