Home / 76,034.52-113,940.48-42,819.36

Finding the Fourth Proportional to 76,034.52, 113,940.48 and 42,819.36

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Solution

The fourth proportional to 76,034.52, 113,940.48 and 42,819.36 is: 64,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,034.52 : 113,940.48 = 42,819.36 : x
  2. Step 2: Convert to fraction form
    76,034.52/113,940.48 = 42,819.36/x
  3. Step 3: Cross multiply
    76,034.52x = 113,940.48 × 42,819.36
  4. Step 4: Simplify right side
    76,034.52x = 4,878,858,431.69
  5. Step 5: Solve for x
    x = 4,878,858,431.69/76,034.52
  6. Step 6: Final answer
    x = 64,166.36

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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.