Home / 104,717.36-157,016.54-71,477.66

Finding the Fourth Proportional to 104,717.36, 157,016.54 and 71,477.66

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Solution

The fourth proportional to 104,717.36, 157,016.54 and 71,477.66 is: 107,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.36 : 157,016.54 = 71,477.66 : x
  2. Step 2: Convert to fraction form
    104,717.36/157,016.54 = 71,477.66/x
  3. Step 3: Cross multiply
    104,717.36x = 157,016.54 × 71,477.66
  4. Step 4: Simplify right side
    104,717.36x = 11,223,175,431.73
  5. Step 5: Solve for x
    x = 11,223,175,431.73/104,717.36
  6. Step 6: Final answer
    x = 107,175.88

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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.