Home / 107,383.44-148,263.29-67,115.31

Finding the Fourth Proportional to 107,383.44, 148,263.29 and 67,115.31

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Solution

The fourth proportional to 107,383.44, 148,263.29 and 67,115.31 is: 92,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.44 : 148,263.29 = 67,115.31 : x
  2. Step 2: Convert to fraction form
    107,383.44/148,263.29 = 67,115.31/x
  3. Step 3: Cross multiply
    107,383.44x = 148,263.29 × 67,115.31
  4. Step 4: Simplify right side
    107,383.44x = 9,950,736,669.97
  5. Step 5: Solve for x
    x = 9,950,736,669.97/107,383.44
  6. Step 6: Final answer
    x = 92,665.47

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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.