Home / 69,904.28-104,893.32-30,464.48

Finding the Fourth Proportional to 69,904.28, 104,893.32 and 30,464.48

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Solution

The fourth proportional to 69,904.28, 104,893.32 and 30,464.48 is: 45,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.28 : 104,893.32 = 30,464.48 : x
  2. Step 2: Convert to fraction form
    69,904.28/104,893.32 = 30,464.48/x
  3. Step 3: Cross multiply
    69,904.28x = 104,893.32 × 30,464.48
  4. Step 4: Simplify right side
    69,904.28x = 3,195,519,924.81
  5. Step 5: Solve for x
    x = 3,195,519,924.81/69,904.28
  6. Step 6: Final answer
    x = 45,712.80

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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.