Home / 51,899.82-77,874.29-30,881.40

Finding the Fourth Proportional to 51,899.82, 77,874.29 and 30,881.40

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Solution

The fourth proportional to 51,899.82, 77,874.29 and 30,881.40 is: 46,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.82 : 77,874.29 = 30,881.40 : x
  2. Step 2: Convert to fraction form
    51,899.82/77,874.29 = 30,881.40/x
  3. Step 3: Cross multiply
    51,899.82x = 77,874.29 × 30,881.40
  4. Step 4: Simplify right side
    51,899.82x = 2,404,867,099.21
  5. Step 5: Solve for x
    x = 2,404,867,099.21/51,899.82
  6. Step 6: Final answer
    x = 46,336.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.