Home / 54,137.88-74,708.64-30,264.48

Finding the Fourth Proportional to 54,137.88, 74,708.64 and 30,264.48

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Solution

The fourth proportional to 54,137.88, 74,708.64 and 30,264.48 is: 41,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.88 : 74,708.64 = 30,264.48 : x
  2. Step 2: Convert to fraction form
    54,137.88/74,708.64 = 30,264.48/x
  3. Step 3: Cross multiply
    54,137.88x = 74,708.64 × 30,264.48
  4. Step 4: Simplify right side
    54,137.88x = 2,261,018,141.11
  5. Step 5: Solve for x
    x = 2,261,018,141.11/54,137.88
  6. Step 6: Final answer
    x = 41,764.07

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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.