Home / 105,966.36-158,949.60-27,080.66

Finding the Fourth Proportional to 105,966.36, 158,949.60 and 27,080.66

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Solution

The fourth proportional to 105,966.36, 158,949.60 and 27,080.66 is: 40,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,966.36 : 158,949.60 = 27,080.66 : x
  2. Step 2: Convert to fraction form
    105,966.36/158,949.60 = 27,080.66/x
  3. Step 3: Cross multiply
    105,966.36x = 158,949.60 × 27,080.66
  4. Step 4: Simplify right side
    105,966.36x = 4,304,460,074.74
  5. Step 5: Solve for x
    x = 4,304,460,074.74/105,966.36
  6. Step 6: Final answer
    x = 40,621.01

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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.