Home / 49,969.55-74,917.26-30,243.42

Finding the Fourth Proportional to 49,969.55, 74,917.26 and 30,243.42

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Solution

The fourth proportional to 49,969.55, 74,917.26 and 30,243.42 is: 45,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,969.55 : 74,917.26 = 30,243.42 : x
  2. Step 2: Convert to fraction form
    49,969.55/74,917.26 = 30,243.42/x
  3. Step 3: Cross multiply
    49,969.55x = 74,917.26 × 30,243.42
  4. Step 4: Simplify right side
    49,969.55x = 2,265,754,159.43
  5. Step 5: Solve for x
    x = 2,265,754,159.43/49,969.55
  6. Step 6: Final answer
    x = 45,342.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.