Home / 54,311.96-74,946.39-30,434.01

Finding the Fourth Proportional to 54,311.96, 74,946.39 and 30,434.01

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Solution

The fourth proportional to 54,311.96, 74,946.39 and 30,434.01 is: 41,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.96 : 74,946.39 = 30,434.01 : x
  2. Step 2: Convert to fraction form
    54,311.96/74,946.39 = 30,434.01/x
  3. Step 3: Cross multiply
    54,311.96x = 74,946.39 × 30,434.01
  4. Step 4: Simplify right side
    54,311.96x = 2,280,919,182.72
  5. Step 5: Solve for x
    x = 2,280,919,182.72/54,311.96
  6. Step 6: Final answer
    x = 41,996.63

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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.