Home / 54,303.14-74,930.73-30,427.94

Finding the Fourth Proportional to 54,303.14, 74,930.73 and 30,427.94

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Solution

The fourth proportional to 54,303.14, 74,930.73 and 30,427.94 is: 41,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.14 : 74,930.73 = 30,427.94 : x
  2. Step 2: Convert to fraction form
    54,303.14/74,930.73 = 30,427.94/x
  3. Step 3: Cross multiply
    54,303.14x = 74,930.73 × 30,427.94
  4. Step 4: Simplify right side
    54,303.14x = 2,279,987,756.60
  5. Step 5: Solve for x
    x = 2,279,987,756.60/54,303.14
  6. Step 6: Final answer
    x = 41,986.30

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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.