Home / 81,067.48-121,548.58-33,669.56

Finding the Fourth Proportional to 81,067.48, 121,548.58 and 33,669.56

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Solution

The fourth proportional to 81,067.48, 121,548.58 and 33,669.56 is: 50,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,067.48 : 121,548.58 = 33,669.56 : x
  2. Step 2: Convert to fraction form
    81,067.48/121,548.58 = 33,669.56/x
  3. Step 3: Cross multiply
    81,067.48x = 121,548.58 × 33,669.56
  4. Step 4: Simplify right side
    81,067.48x = 4,092,487,207.22
  5. Step 5: Solve for x
    x = 4,092,487,207.22/81,067.48
  6. Step 6: Final answer
    x = 50,482.48

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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.