Home / 54,005.21-74,527.45-30,133.22

Finding the Fourth Proportional to 54,005.21, 74,527.45 and 30,133.22

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Solution

The fourth proportional to 54,005.21, 74,527.45 and 30,133.22 is: 41,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.21 : 74,527.45 = 30,133.22 : x
  2. Step 2: Convert to fraction form
    54,005.21/74,527.45 = 30,133.22/x
  3. Step 3: Cross multiply
    54,005.21x = 74,527.45 × 30,133.22
  4. Step 4: Simplify right side
    54,005.21x = 2,245,752,157.87
  5. Step 5: Solve for x
    x = 2,245,752,157.87/54,005.21
  6. Step 6: Final answer
    x = 41,583.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.