Home / 54,296.09-74,928.55-30,422.93

Finding the Fourth Proportional to 54,296.09, 74,928.55 and 30,422.93

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Solution

The fourth proportional to 54,296.09, 74,928.55 and 30,422.93 is: 41,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.09 : 74,928.55 = 30,422.93 : x
  2. Step 2: Convert to fraction form
    54,296.09/74,928.55 = 30,422.93/x
  3. Step 3: Cross multiply
    54,296.09x = 74,928.55 × 30,422.93
  4. Step 4: Simplify right side
    54,296.09x = 2,279,546,031.65
  5. Step 5: Solve for x
    x = 2,279,546,031.65/54,296.09
  6. Step 6: Final answer
    x = 41,983.61

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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.