Home / 54,583.57-75,321.27-30,705.64

Finding the Fourth Proportional to 54,583.57, 75,321.27 and 30,705.64

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Solution

The fourth proportional to 54,583.57, 75,321.27 and 30,705.64 is: 42,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.57 : 75,321.27 = 30,705.64 : x
  2. Step 2: Convert to fraction form
    54,583.57/75,321.27 = 30,705.64/x
  3. Step 3: Cross multiply
    54,583.57x = 75,321.27 × 30,705.64
  4. Step 4: Simplify right side
    54,583.57x = 2,312,787,800.96
  5. Step 5: Solve for x
    x = 2,312,787,800.96/54,583.57
  6. Step 6: Final answer
    x = 42,371.50

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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.