Home / 96,429.96-133,067.37-53,408.78

Finding the Fourth Proportional to 96,429.96, 133,067.37 and 53,408.78

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Solution

The fourth proportional to 96,429.96, 133,067.37 and 53,408.78 is: 73,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,429.96 : 133,067.37 = 53,408.78 : x
  2. Step 2: Convert to fraction form
    96,429.96/133,067.37 = 53,408.78/x
  3. Step 3: Cross multiply
    96,429.96x = 133,067.37 × 53,408.78
  4. Step 4: Simplify right side
    96,429.96x = 7,106,965,224.17
  5. Step 5: Solve for x
    x = 7,106,965,224.17/96,429.96
  6. Step 6: Final answer
    x = 73,700.80

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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.