Home / 86,579.04-129,862.80-33,997.44

Finding the Fourth Proportional to 86,579.04, 129,862.80 and 33,997.44

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Solution

The fourth proportional to 86,579.04, 129,862.80 and 33,997.44 is: 50,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.04 : 129,862.80 = 33,997.44 : x
  2. Step 2: Convert to fraction form
    86,579.04/129,862.80 = 33,997.44/x
  3. Step 3: Cross multiply
    86,579.04x = 129,862.80 × 33,997.44
  4. Step 4: Simplify right side
    86,579.04x = 4,415,002,751.23
  5. Step 5: Solve for x
    x = 4,415,002,751.23/86,579.04
  6. Step 6: Final answer
    x = 50,993.90

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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.