Home / 86,183.84-129,277.38-27,018.20

Finding the Fourth Proportional to 86,183.84, 129,277.38 and 27,018.20

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Solution

The fourth proportional to 86,183.84, 129,277.38 and 27,018.20 is: 40,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,183.84 : 129,277.38 = 27,018.20 : x
  2. Step 2: Convert to fraction form
    86,183.84/129,277.38 = 27,018.20/x
  3. Step 3: Cross multiply
    86,183.84x = 129,277.38 × 27,018.20
  4. Step 4: Simplify right side
    86,183.84x = 3,492,842,108.32
  5. Step 5: Solve for x
    x = 3,492,842,108.32/86,183.84
  6. Step 6: Final answer
    x = 40,527.81

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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.