Home / 85,965.37-128,974.44-41,044.03

Finding the Fourth Proportional to 85,965.37, 128,974.44 and 41,044.03

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Solution

The fourth proportional to 85,965.37, 128,974.44 and 41,044.03 is: 61,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,965.37 : 128,974.44 = 41,044.03 : x
  2. Step 2: Convert to fraction form
    85,965.37/128,974.44 = 41,044.03/x
  3. Step 3: Cross multiply
    85,965.37x = 128,974.44 × 41,044.03
  4. Step 4: Simplify right side
    85,965.37x = 5,293,630,784.59
  5. Step 5: Solve for x
    x = 5,293,630,784.59/85,965.37
  6. Step 6: Final answer
    x = 61,578.64

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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.