Home / 86,174.82-129,261.30-33,621.18

Finding the Fourth Proportional to 86,174.82, 129,261.30 and 33,621.18

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Solution

The fourth proportional to 86,174.82, 129,261.30 and 33,621.18 is: 50,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,174.82 : 129,261.30 = 33,621.18 : x
  2. Step 2: Convert to fraction form
    86,174.82/129,261.30 = 33,621.18/x
  3. Step 3: Cross multiply
    86,174.82x = 129,261.30 × 33,621.18
  4. Step 4: Simplify right side
    86,174.82x = 4,345,917,434.33
  5. Step 5: Solve for x
    x = 4,345,917,434.33/86,174.82
  6. Step 6: Final answer
    x = 50,431.41

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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.