Home / 54,042.09-74,579.34-33,899.82

Finding the Fourth Proportional to 54,042.09, 74,579.34 and 33,899.82

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Solution

The fourth proportional to 54,042.09, 74,579.34 and 33,899.82 is: 46,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.09 : 74,579.34 = 33,899.82 : x
  2. Step 2: Convert to fraction form
    54,042.09/74,579.34 = 33,899.82/x
  3. Step 3: Cross multiply
    54,042.09x = 74,579.34 × 33,899.82
  4. Step 4: Simplify right side
    54,042.09x = 2,528,226,201.72
  5. Step 5: Solve for x
    x = 2,528,226,201.72/54,042.09
  6. Step 6: Final answer
    x = 46,782.54

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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.