Home / 105,965.85-158,948.85-27,080.16

Finding the Fourth Proportional to 105,965.85, 158,948.85 and 27,080.16

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Solution

The fourth proportional to 105,965.85, 158,948.85 and 27,080.16 is: 40,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,965.85 : 158,948.85 = 27,080.16 : x
  2. Step 2: Convert to fraction form
    105,965.85/158,948.85 = 27,080.16/x
  3. Step 3: Cross multiply
    105,965.85x = 158,948.85 × 27,080.16
  4. Step 4: Simplify right side
    105,965.85x = 4,304,360,289.82
  5. Step 5: Solve for x
    x = 4,304,360,289.82/105,965.85
  6. Step 6: Final answer
    x = 40,620.26

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1.5x scale

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.