Home / 54,184.48-74,770.32-30,309.28

Finding the Fourth Proportional to 54,184.48, 74,770.32 and 30,309.28

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Solution

The fourth proportional to 54,184.48, 74,770.32 and 30,309.28 is: 41,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,184.48 : 74,770.32 = 30,309.28 : x
  2. Step 2: Convert to fraction form
    54,184.48/74,770.32 = 30,309.28/x
  3. Step 3: Cross multiply
    54,184.48x = 74,770.32 × 30,309.28
  4. Step 4: Simplify right side
    54,184.48x = 2,266,234,564.57
  5. Step 5: Solve for x
    x = 2,266,234,564.57/54,184.48
  6. Step 6: Final answer
    x = 41,824.42

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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.