Home / 64,449.49-96,667.07-20,072.53

Finding the Fourth Proportional to 64,449.49, 96,667.07 and 20,072.53

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Solution

The fourth proportional to 64,449.49, 96,667.07 and 20,072.53 is: 30,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,449.49 : 96,667.07 = 20,072.53 : x
  2. Step 2: Convert to fraction form
    64,449.49/96,667.07 = 20,072.53/x
  3. Step 3: Cross multiply
    64,449.49x = 96,667.07 × 20,072.53
  4. Step 4: Simplify right side
    64,449.49x = 1,940,352,662.59
  5. Step 5: Solve for x
    x = 1,940,352,662.59/64,449.49
  6. Step 6: Final answer
    x = 30,106.56

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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.