Home / 115,731.79-173,671.49-49,171.94

Finding the Fourth Proportional to 115,731.79, 173,671.49 and 49,171.94

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Solution

The fourth proportional to 115,731.79, 173,671.49 and 49,171.94 is: 73,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,731.79 : 173,671.49 = 49,171.94 : x
  2. Step 2: Convert to fraction form
    115,731.79/173,671.49 = 49,171.94/x
  3. Step 3: Cross multiply
    115,731.79x = 173,671.49 × 49,171.94
  4. Step 4: Simplify right side
    115,731.79x = 8,539,763,991.83
  5. Step 5: Solve for x
    x = 8,539,763,991.83/115,731.79
  6. Step 6: Final answer
    x = 73,789.27

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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.