Home / 69,641.28-104,241.60-44,647.92

Finding the Fourth Proportional to 69,641.28, 104,241.60 and 44,647.92

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Solution

The fourth proportional to 69,641.28, 104,241.60 and 44,647.92 is: 66,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,641.28 : 104,241.60 = 44,647.92 : x
  2. Step 2: Convert to fraction form
    69,641.28/104,241.60 = 44,647.92/x
  3. Step 3: Cross multiply
    69,641.28x = 104,241.60 × 44,647.92
  4. Step 4: Simplify right side
    69,641.28x = 4,654,170,617.47
  5. Step 5: Solve for x
    x = 4,654,170,617.47/69,641.28
  6. Step 6: Final answer
    x = 66,830.63

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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.