Home / 47,268.12-65,231.48-27,128.68

Finding the Fourth Proportional to 47,268.12, 65,231.48 and 27,128.68

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Solution

The fourth proportional to 47,268.12, 65,231.48 and 27,128.68 is: 37,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.12 : 65,231.48 = 27,128.68 : x
  2. Step 2: Convert to fraction form
    47,268.12/65,231.48 = 27,128.68/x
  3. Step 3: Cross multiply
    47,268.12x = 65,231.48 × 27,128.68
  4. Step 4: Simplify right side
    47,268.12x = 1,769,643,946.85
  5. Step 5: Solve for x
    x = 1,769,643,946.85/47,268.12
  6. Step 6: Final answer
    x = 37,438.42

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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.