Home / 57,749.82-86,632.94-17,772.12

Finding the Fourth Proportional to 57,749.82, 86,632.94 and 17,772.12

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Solution

The fourth proportional to 57,749.82, 86,632.94 and 17,772.12 is: 26,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.82 : 86,632.94 = 17,772.12 : x
  2. Step 2: Convert to fraction form
    57,749.82/86,632.94 = 17,772.12/x
  3. Step 3: Cross multiply
    57,749.82x = 86,632.94 × 17,772.12
  4. Step 4: Simplify right side
    57,749.82x = 1,539,651,005.63
  5. Step 5: Solve for x
    x = 1,539,651,005.63/57,749.82
  6. Step 6: Final answer
    x = 26,660.71

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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.