Home / 54,043.45-74,579.27-30,170.52

Finding the Fourth Proportional to 54,043.45, 74,579.27 and 30,170.52

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Solution

The fourth proportional to 54,043.45, 74,579.27 and 30,170.52 is: 41,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,043.45 : 74,579.27 = 30,170.52 : x
  2. Step 2: Convert to fraction form
    54,043.45/74,579.27 = 30,170.52/x
  3. Step 3: Cross multiply
    54,043.45x = 74,579.27 × 30,170.52
  4. Step 4: Simplify right side
    54,043.45x = 2,250,095,206.27
  5. Step 5: Solve for x
    x = 2,250,095,206.27/54,043.45
  6. Step 6: Final answer
    x = 41,634.93

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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.