Home / 54,290.84-74,924.44-30,425.21

Finding the Fourth Proportional to 54,290.84, 74,924.44 and 30,425.21

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Solution

The fourth proportional to 54,290.84, 74,924.44 and 30,425.21 is: 41,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.84 : 74,924.44 = 30,425.21 : x
  2. Step 2: Convert to fraction form
    54,290.84/74,924.44 = 30,425.21/x
  3. Step 3: Cross multiply
    54,290.84x = 74,924.44 × 30,425.21
  4. Step 4: Simplify right side
    54,290.84x = 2,279,591,821.13
  5. Step 5: Solve for x
    x = 2,279,591,821.13/54,290.84
  6. Step 6: Final answer
    x = 41,988.52

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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.