Home / 115,954.74-160,032.24-68,212.44

Finding the Fourth Proportional to 115,954.74, 160,032.24 and 68,212.44

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Solution

The fourth proportional to 115,954.74, 160,032.24 and 68,212.44 is: 94,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,954.74 : 160,032.24 = 68,212.44 : x
  2. Step 2: Convert to fraction form
    115,954.74/160,032.24 = 68,212.44/x
  3. Step 3: Cross multiply
    115,954.74x = 160,032.24 × 68,212.44
  4. Step 4: Simplify right side
    115,954.74x = 10,916,189,569.07
  5. Step 5: Solve for x
    x = 10,916,189,569.07/115,954.74
  6. Step 6: Final answer
    x = 94,141.81

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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.