Home / 54,133.81-74,704.44-30,260.47

Finding the Fourth Proportional to 54,133.81, 74,704.44 and 30,260.47

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Solution

The fourth proportional to 54,133.81, 74,704.44 and 30,260.47 is: 41,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.81 : 74,704.44 = 30,260.47 : x
  2. Step 2: Convert to fraction form
    54,133.81/74,704.44 = 30,260.47/x
  3. Step 3: Cross multiply
    54,133.81x = 74,704.44 × 30,260.47
  4. Step 4: Simplify right side
    54,133.81x = 2,260,591,465.49
  5. Step 5: Solve for x
    x = 2,260,591,465.49/54,133.81
  6. Step 6: Final answer
    x = 41,759.33

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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.