Home / 113,409.36-170,138.66-34,521.54

Finding the Fourth Proportional to 113,409.36, 170,138.66 and 34,521.54

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Solution

The fourth proportional to 113,409.36, 170,138.66 and 34,521.54 is: 51,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,409.36 : 170,138.66 = 34,521.54 : x
  2. Step 2: Convert to fraction form
    113,409.36/170,138.66 = 34,521.54/x
  3. Step 3: Cross multiply
    113,409.36x = 170,138.66 × 34,521.54
  4. Step 4: Simplify right side
    113,409.36x = 5,873,448,384.13
  5. Step 5: Solve for x
    x = 5,873,448,384.13/113,409.36
  6. Step 6: Final answer
    x = 51,789.80

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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.