Home / 44,712.31-67,078.83-13,121.09

Finding the Fourth Proportional to 44,712.31, 67,078.83 and 13,121.09

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Solution

The fourth proportional to 44,712.31, 67,078.83 and 13,121.09 is: 19,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.31 : 67,078.83 = 13,121.09 : x
  2. Step 2: Convert to fraction form
    44,712.31/67,078.83 = 13,121.09/x
  3. Step 3: Cross multiply
    44,712.31x = 67,078.83 × 13,121.09
  4. Step 4: Simplify right side
    44,712.31x = 880,147,365.52
  5. Step 5: Solve for x
    x = 880,147,365.52/44,712.31
  6. Step 6: Final answer
    x = 19,684.68

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1.5x scale

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.