Home / 96,021.09-132,509.25-53,579.75

Finding the Fourth Proportional to 96,021.09, 132,509.25 and 53,579.75

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Solution

The fourth proportional to 96,021.09, 132,509.25 and 53,579.75 is: 73,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,021.09 : 132,509.25 = 53,579.75 : x
  2. Step 2: Convert to fraction form
    96,021.09/132,509.25 = 53,579.75/x
  3. Step 3: Cross multiply
    96,021.09x = 132,509.25 × 53,579.75
  4. Step 4: Simplify right side
    96,021.09x = 7,099,811,825.14
  5. Step 5: Solve for x
    x = 7,099,811,825.14/96,021.09
  6. Step 6: Final answer
    x = 73,940.13

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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.