Home / 69,909.54-104,865.38-38,941.62

Finding the Fourth Proportional to 69,909.54, 104,865.38 and 38,941.62

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Solution

The fourth proportional to 69,909.54, 104,865.38 and 38,941.62 is: 58,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.54 : 104,865.38 = 38,941.62 : x
  2. Step 2: Convert to fraction form
    69,909.54/104,865.38 = 38,941.62/x
  3. Step 3: Cross multiply
    69,909.54x = 104,865.38 × 38,941.62
  4. Step 4: Simplify right side
    69,909.54x = 4,083,627,779.12
  5. Step 5: Solve for x
    x = 4,083,627,779.12/69,909.54
  6. Step 6: Final answer
    x = 58,413.03

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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.