Home / 69,072.28-103,608.42-45,693.26

Finding the Fourth Proportional to 69,072.28, 103,608.42 and 45,693.26

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Solution

The fourth proportional to 69,072.28, 103,608.42 and 45,693.26 is: 68,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.28 : 103,608.42 = 45,693.26 : x
  2. Step 2: Convert to fraction form
    69,072.28/103,608.42 = 45,693.26/x
  3. Step 3: Cross multiply
    69,072.28x = 103,608.42 × 45,693.26
  4. Step 4: Simplify right side
    69,072.28x = 4,734,206,473.25
  5. Step 5: Solve for x
    x = 4,734,206,473.25/69,072.28
  6. Step 6: Final answer
    x = 68,539.89

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1.5x scale

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.