Home / 45,180.27-67,773.73-11,900.09

Finding the Fourth Proportional to 45,180.27, 67,773.73 and 11,900.09

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Solution

The fourth proportional to 45,180.27, 67,773.73 and 11,900.09 is: 17,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,180.27 : 67,773.73 = 11,900.09 : x
  2. Step 2: Convert to fraction form
    45,180.27/67,773.73 = 11,900.09/x
  3. Step 3: Cross multiply
    45,180.27x = 67,773.73 × 11,900.09
  4. Step 4: Simplify right side
    45,180.27x = 806,513,486.64
  5. Step 5: Solve for x
    x = 806,513,486.64/45,180.27
  6. Step 6: Final answer
    x = 17,851.01

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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.