Home / 54,205.44-74,810.64-30,341.28

Finding the Fourth Proportional to 54,205.44, 74,810.64 and 30,341.28

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Solution

The fourth proportional to 54,205.44, 74,810.64 and 30,341.28 is: 41,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.44 : 74,810.64 = 30,341.28 : x
  2. Step 2: Convert to fraction form
    54,205.44/74,810.64 = 30,341.28/x
  3. Step 3: Cross multiply
    54,205.44x = 74,810.64 × 30,341.28
  4. Step 4: Simplify right side
    54,205.44x = 2,269,850,575.22
  5. Step 5: Solve for x
    x = 2,269,850,575.22/54,205.44
  6. Step 6: Final answer
    x = 41,874.96

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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.