Home / 105,794.22-158,701.55-30,912.65

Finding the Fourth Proportional to 105,794.22, 158,701.55 and 30,912.65

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Solution

The fourth proportional to 105,794.22, 158,701.55 and 30,912.65 is: 46,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,794.22 : 158,701.55 = 30,912.65 : x
  2. Step 2: Convert to fraction form
    105,794.22/158,701.55 = 30,912.65/x
  3. Step 3: Cross multiply
    105,794.22x = 158,701.55 × 30,912.65
  4. Step 4: Simplify right side
    105,794.22x = 4,905,885,943.64
  5. Step 5: Solve for x
    x = 4,905,885,943.64/105,794.22
  6. Step 6: Final answer
    x = 46,371.97

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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.