Home / 65,185.08-90,010.62-41,354.07

Finding the Fourth Proportional to 65,185.08, 90,010.62 and 41,354.07

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Solution

The fourth proportional to 65,185.08, 90,010.62 and 41,354.07 is: 57,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,185.08 : 90,010.62 = 41,354.07 : x
  2. Step 2: Convert to fraction form
    65,185.08/90,010.62 = 41,354.07/x
  3. Step 3: Cross multiply
    65,185.08x = 90,010.62 × 41,354.07
  4. Step 4: Simplify right side
    65,185.08x = 3,722,305,480.22
  5. Step 5: Solve for x
    x = 3,722,305,480.22/65,185.08
  6. Step 6: Final answer
    x = 57,103.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.