Home / 106,491.26-146,968.22-79,587.06

Finding the Fourth Proportional to 106,491.26, 146,968.22 and 79,587.06

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Solution

The fourth proportional to 106,491.26, 146,968.22 and 79,587.06 is: 109,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,491.26 : 146,968.22 = 79,587.06 : x
  2. Step 2: Convert to fraction form
    106,491.26/146,968.22 = 79,587.06/x
  3. Step 3: Cross multiply
    106,491.26x = 146,968.22 × 79,587.06
  4. Step 4: Simplify right side
    106,491.26x = 11,696,768,191.07
  5. Step 5: Solve for x
    x = 11,696,768,191.07/106,491.26
  6. Step 6: Final answer
    x = 109,837.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.