Home / 107,653.16-148,634.52-67,383.20

Finding the Fourth Proportional to 107,653.16, 148,634.52 and 67,383.20

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Solution

The fourth proportional to 107,653.16, 148,634.52 and 67,383.20 is: 93,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,653.16 : 148,634.52 = 67,383.20 : x
  2. Step 2: Convert to fraction form
    107,653.16/148,634.52 = 67,383.20/x
  3. Step 3: Cross multiply
    107,653.16x = 148,634.52 × 67,383.20
  4. Step 4: Simplify right side
    107,653.16x = 10,015,469,588.06
  5. Step 5: Solve for x
    x = 10,015,469,588.06/107,653.16
  6. Step 6: Final answer
    x = 93,034.61

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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.