Home / 105,425.01-158,231.07-49,295.66

Finding the Fourth Proportional to 105,425.01, 158,231.07 and 49,295.66

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Solution

The fourth proportional to 105,425.01, 158,231.07 and 49,295.66 is: 73,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.01 : 158,231.07 = 49,295.66 : x
  2. Step 2: Convert to fraction form
    105,425.01/158,231.07 = 49,295.66/x
  3. Step 3: Cross multiply
    105,425.01x = 158,231.07 × 49,295.66
  4. Step 4: Simplify right side
    105,425.01x = 7,800,104,237.00
  5. Step 5: Solve for x
    x = 7,800,104,237.00/105,425.01
  6. Step 6: Final answer
    x = 73,987.23

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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.