Home / 54,336.68-74,988.22-30,464.90

Finding the Fourth Proportional to 54,336.68, 74,988.22 and 30,464.90

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Solution

The fourth proportional to 54,336.68, 74,988.22 and 30,464.90 is: 42,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,336.68 : 74,988.22 = 30,464.90 : x
  2. Step 2: Convert to fraction form
    54,336.68/74,988.22 = 30,464.90/x
  3. Step 3: Cross multiply
    54,336.68x = 74,988.22 × 30,464.90
  4. Step 4: Simplify right side
    54,336.68x = 2,284,508,623.48
  5. Step 5: Solve for x
    x = 2,284,508,623.48/54,336.68
  6. Step 6: Final answer
    x = 42,043.58

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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.