Home / 54,150.52-74,729.37-30,281.44

Finding the Fourth Proportional to 54,150.52, 74,729.37 and 30,281.44

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Solution

The fourth proportional to 54,150.52, 74,729.37 and 30,281.44 is: 41,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.52 : 74,729.37 = 30,281.44 : x
  2. Step 2: Convert to fraction form
    54,150.52/74,729.37 = 30,281.44/x
  3. Step 3: Cross multiply
    54,150.52x = 74,729.37 × 30,281.44
  4. Step 4: Simplify right side
    54,150.52x = 2,262,912,933.89
  5. Step 5: Solve for x
    x = 2,262,912,933.89/54,150.52
  6. Step 6: Final answer
    x = 41,789.31

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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.