Home / 54,163.89-74,749.84-30,292.79

Finding the Fourth Proportional to 54,163.89, 74,749.84 and 30,292.79

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Solution

The fourth proportional to 54,163.89, 74,749.84 and 30,292.79 is: 41,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.89 : 74,749.84 = 30,292.79 : x
  2. Step 2: Convert to fraction form
    54,163.89/74,749.84 = 30,292.79/x
  3. Step 3: Cross multiply
    54,163.89x = 74,749.84 × 30,292.79
  4. Step 4: Simplify right side
    54,163.89x = 2,264,380,756.17
  5. Step 5: Solve for x
    x = 2,264,380,756.17/54,163.89
  6. Step 6: Final answer
    x = 41,806.10

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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.