Home / 90,832.11-136,051.25-43,986.75

Finding the Fourth Proportional to 90,832.11, 136,051.25 and 43,986.75

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Solution

The fourth proportional to 90,832.11, 136,051.25 and 43,986.75 is: 65,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.11 : 136,051.25 = 43,986.75 : x
  2. Step 2: Convert to fraction form
    90,832.11/136,051.25 = 43,986.75/x
  3. Step 3: Cross multiply
    90,832.11x = 136,051.25 × 43,986.75
  4. Step 4: Simplify right side
    90,832.11x = 5,984,452,101.00
  5. Step 5: Solve for x
    x = 5,984,452,101.00/90,832.11
  6. Step 6: Final answer
    x = 65,884.76

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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.