Home / 84,633.48-126,924.60-25,453.44

Finding the Fourth Proportional to 84,633.48, 126,924.60 and 25,453.44

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Solution

The fourth proportional to 84,633.48, 126,924.60 and 25,453.44 is: 38,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.48 : 126,924.60 = 25,453.44 : x
  2. Step 2: Convert to fraction form
    84,633.48/126,924.60 = 25,453.44/x
  3. Step 3: Cross multiply
    84,633.48x = 126,924.60 × 25,453.44
  4. Step 4: Simplify right side
    84,633.48x = 3,230,667,690.62
  5. Step 5: Solve for x
    x = 3,230,667,690.62/84,633.48
  6. Step 6: Final answer
    x = 38,172.45

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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.