Home / 84,908.40-117,137.25-53,021.94

Finding the Fourth Proportional to 84,908.40, 117,137.25 and 53,021.94

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Solution

The fourth proportional to 84,908.40, 117,137.25 and 53,021.94 is: 73,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,908.40 : 117,137.25 = 53,021.94 : x
  2. Step 2: Convert to fraction form
    84,908.40/117,137.25 = 53,021.94/x
  3. Step 3: Cross multiply
    84,908.40x = 117,137.25 × 53,021.94
  4. Step 4: Simplify right side
    84,908.40x = 6,210,844,241.27
  5. Step 5: Solve for x
    x = 6,210,844,241.27/84,908.40
  6. Step 6: Final answer
    x = 73,147.58

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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.