Home / 105,954.21-158,930.91-27,068.31

Finding the Fourth Proportional to 105,954.21, 158,930.91 and 27,068.31

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Solution

The fourth proportional to 105,954.21, 158,930.91 and 27,068.31 is: 40,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,954.21 : 158,930.91 = 27,068.31 : x
  2. Step 2: Convert to fraction form
    105,954.21/158,930.91 = 27,068.31/x
  3. Step 3: Cross multiply
    105,954.21x = 158,930.91 × 27,068.31
  4. Step 4: Simplify right side
    105,954.21x = 4,301,991,140.46
  5. Step 5: Solve for x
    x = 4,301,991,140.46/105,954.21
  6. Step 6: Final answer
    x = 40,602.36

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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.