Home / 54,163.98-74,749.89-30,289.23

Finding the Fourth Proportional to 54,163.98, 74,749.89 and 30,289.23

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Solution

The fourth proportional to 54,163.98, 74,749.89 and 30,289.23 is: 41,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.98 : 74,749.89 = 30,289.23 : x
  2. Step 2: Convert to fraction form
    54,163.98/74,749.89 = 30,289.23/x
  3. Step 3: Cross multiply
    54,163.98x = 74,749.89 × 30,289.23
  4. Step 4: Simplify right side
    54,163.98x = 2,264,116,610.68
  5. Step 5: Solve for x
    x = 2,264,116,610.68/54,163.98
  6. Step 6: Final answer
    x = 41,801.15

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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.