Home / 69,972.40-104,928.60-32,528.56

Finding the Fourth Proportional to 69,972.40, 104,928.60 and 32,528.56

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Solution

The fourth proportional to 69,972.40, 104,928.60 and 32,528.56 is: 48,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.40 : 104,928.60 = 32,528.56 : x
  2. Step 2: Convert to fraction form
    69,972.40/104,928.60 = 32,528.56/x
  3. Step 3: Cross multiply
    69,972.40x = 104,928.60 × 32,528.56
  4. Step 4: Simplify right side
    69,972.40x = 3,413,176,260.82
  5. Step 5: Solve for x
    x = 3,413,176,260.82/69,972.40
  6. Step 6: Final answer
    x = 48,778.89

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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.