Home / 45,183.74-67,776.06-11,908.58

Finding the Fourth Proportional to 45,183.74, 67,776.06 and 11,908.58

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Solution

The fourth proportional to 45,183.74, 67,776.06 and 11,908.58 is: 17,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,183.74 : 67,776.06 = 11,908.58 : x
  2. Step 2: Convert to fraction form
    45,183.74/67,776.06 = 11,908.58/x
  3. Step 3: Cross multiply
    45,183.74x = 67,776.06 × 11,908.58
  4. Step 4: Simplify right side
    45,183.74x = 807,116,632.59
  5. Step 5: Solve for x
    x = 807,116,632.59/45,183.74
  6. Step 6: Final answer
    x = 17,862.99

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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.