Home / 105,629.61-158,444.78-26,743.80

Finding the Fourth Proportional to 105,629.61, 158,444.78 and 26,743.80

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Solution

The fourth proportional to 105,629.61, 158,444.78 and 26,743.80 is: 40,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,629.61 : 158,444.78 = 26,743.80 : x
  2. Step 2: Convert to fraction form
    105,629.61/158,444.78 = 26,743.80/x
  3. Step 3: Cross multiply
    105,629.61x = 158,444.78 × 26,743.80
  4. Step 4: Simplify right side
    105,629.61x = 4,237,415,373.65
  5. Step 5: Solve for x
    x = 4,237,415,373.65/105,629.61
  6. Step 6: Final answer
    x = 40,115.79

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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.