Home / 107,310.40-148,141.64-67,046.51

Finding the Fourth Proportional to 107,310.40, 148,141.64 and 67,046.51

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Solution

The fourth proportional to 107,310.40, 148,141.64 and 67,046.51 is: 92,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,310.40 : 148,141.64 = 67,046.51 : x
  2. Step 2: Convert to fraction form
    107,310.40/148,141.64 = 67,046.51/x
  3. Step 3: Cross multiply
    107,310.40x = 148,141.64 × 67,046.51
  4. Step 4: Simplify right side
    107,310.40x = 9,932,379,947.68
  5. Step 5: Solve for x
    x = 9,932,379,947.68/107,310.40
  6. Step 6: Final answer
    x = 92,557.48

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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.