Home / 69,730.22-104,570.02-38,163.60

Finding the Fourth Proportional to 69,730.22, 104,570.02 and 38,163.60

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Solution

The fourth proportional to 69,730.22, 104,570.02 and 38,163.60 is: 57,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,730.22 : 104,570.02 = 38,163.60 : x
  2. Step 2: Convert to fraction form
    69,730.22/104,570.02 = 38,163.60/x
  3. Step 3: Cross multiply
    69,730.22x = 104,570.02 × 38,163.60
  4. Step 4: Simplify right side
    69,730.22x = 3,990,768,415.27
  5. Step 5: Solve for x
    x = 3,990,768,415.27/69,730.22
  6. Step 6: Final answer
    x = 57,231.55

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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.