Home / 92,986.22-128,321.44-50,544.75

Finding the Fourth Proportional to 92,986.22, 128,321.44 and 50,544.75

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Solution

The fourth proportional to 92,986.22, 128,321.44 and 50,544.75 is: 69,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986.22 : 128,321.44 = 50,544.75 : x
  2. Step 2: Convert to fraction form
    92,986.22/128,321.44 = 50,544.75/x
  3. Step 3: Cross multiply
    92,986.22x = 128,321.44 × 50,544.75
  4. Step 4: Simplify right side
    92,986.22x = 6,485,974,978.08
  5. Step 5: Solve for x
    x = 6,485,974,978.08/92,986.22
  6. Step 6: Final answer
    x = 69,752.00

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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.