Home / 64,643.42-96,900.24-27,212.60

Finding the Fourth Proportional to 64,643.42, 96,900.24 and 27,212.60

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Solution

The fourth proportional to 64,643.42, 96,900.24 and 27,212.60 is: 40,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,643.42 : 96,900.24 = 27,212.60 : x
  2. Step 2: Convert to fraction form
    64,643.42/96,900.24 = 27,212.60/x
  3. Step 3: Cross multiply
    64,643.42x = 96,900.24 × 27,212.60
  4. Step 4: Simplify right side
    64,643.42x = 2,636,907,471.02
  5. Step 5: Solve for x
    x = 2,636,907,471.02/64,643.42
  6. Step 6: Final answer
    x = 40,791.58

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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.