Home / 105,973.24-158,959.36-27,087.36

Finding the Fourth Proportional to 105,973.24, 158,959.36 and 27,087.36

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Solution

The fourth proportional to 105,973.24, 158,959.36 and 27,087.36 is: 40,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,973.24 : 158,959.36 = 27,087.36 : x
  2. Step 2: Convert to fraction form
    105,973.24/158,959.36 = 27,087.36/x
  3. Step 3: Cross multiply
    105,973.24x = 158,959.36 × 27,087.36
  4. Step 4: Simplify right side
    105,973.24x = 4,305,789,409.69
  5. Step 5: Solve for x
    x = 4,305,789,409.69/105,973.24
  6. Step 6: Final answer
    x = 40,630.91

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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.