Home / 51,219.92-76,651.32-35,441.36

Finding the Fourth Proportional to 51,219.92, 76,651.32 and 35,441.36

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Solution

The fourth proportional to 51,219.92, 76,651.32 and 35,441.36 is: 53,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.92 : 76,651.32 = 35,441.36 : x
  2. Step 2: Convert to fraction form
    51,219.92/76,651.32 = 35,441.36/x
  3. Step 3: Cross multiply
    51,219.92x = 76,651.32 × 35,441.36
  4. Step 4: Simplify right side
    51,219.92x = 2,716,627,026.60
  5. Step 5: Solve for x
    x = 2,716,627,026.60/51,219.92
  6. Step 6: Final answer
    x = 53,038.49

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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.