Home / 64,443.71-96,736.23-51,201.78

Finding the Fourth Proportional to 64,443.71, 96,736.23 and 51,201.78

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Solution

The fourth proportional to 64,443.71, 96,736.23 and 51,201.78 is: 76,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,443.71 : 96,736.23 = 51,201.78 : x
  2. Step 2: Convert to fraction form
    64,443.71/96,736.23 = 51,201.78/x
  3. Step 3: Cross multiply
    64,443.71x = 96,736.23 × 51,201.78
  4. Step 4: Simplify right side
    64,443.71x = 4,953,067,166.49
  5. Step 5: Solve for x
    x = 4,953,067,166.49/64,443.71
  6. Step 6: Final answer
    x = 76,858.82

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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.