Home / 69,783.48-104,688.20-32,318.80

Finding the Fourth Proportional to 69,783.48, 104,688.20 and 32,318.80

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Solution

The fourth proportional to 69,783.48, 104,688.20 and 32,318.80 is: 48,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.48 : 104,688.20 = 32,318.80 : x
  2. Step 2: Convert to fraction form
    69,783.48/104,688.20 = 32,318.80/x
  3. Step 3: Cross multiply
    69,783.48x = 104,688.20 × 32,318.80
  4. Step 4: Simplify right side
    69,783.48x = 3,383,396,998.16
  5. Step 5: Solve for x
    x = 3,383,396,998.16/69,783.48
  6. Step 6: Final answer
    x = 48,484.21

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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.