Home / 69,476.07-104,135.35-31,958.69

Finding the Fourth Proportional to 69,476.07, 104,135.35 and 31,958.69

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Solution

The fourth proportional to 69,476.07, 104,135.35 and 31,958.69 is: 47,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.07 : 104,135.35 = 31,958.69 : x
  2. Step 2: Convert to fraction form
    69,476.07/104,135.35 = 31,958.69/x
  3. Step 3: Cross multiply
    69,476.07x = 104,135.35 × 31,958.69
  4. Step 4: Simplify right side
    69,476.07x = 3,328,029,368.69
  5. Step 5: Solve for x
    x = 3,328,029,368.69/69,476.07
  6. Step 6: Final answer
    x = 47,901.81

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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.