Home / 172,971.36-259,435.57-46,621.48

Finding the Fourth Proportional to 172,971.36, 259,435.57 and 46,621.48

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Solution

The fourth proportional to 172,971.36, 259,435.57 and 46,621.48 is: 69,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,971.36 : 259,435.57 = 46,621.48 : x
  2. Step 2: Convert to fraction form
    172,971.36/259,435.57 = 46,621.48/x
  3. Step 3: Cross multiply
    172,971.36x = 259,435.57 × 46,621.48
  4. Step 4: Simplify right side
    172,971.36x = 12,095,270,238.04
  5. Step 5: Solve for x
    x = 12,095,270,238.04/172,971.36
  6. Step 6: Final answer
    x = 69,926.43

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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.