Home / 106,078.41-159,092.98-31,178.52

Finding the Fourth Proportional to 106,078.41, 159,092.98 and 31,178.52

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Solution

The fourth proportional to 106,078.41, 159,092.98 and 31,178.52 is: 46,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,078.41 : 159,092.98 = 31,178.52 : x
  2. Step 2: Convert to fraction form
    106,078.41/159,092.98 = 31,178.52/x
  3. Step 3: Cross multiply
    106,078.41x = 159,092.98 × 31,178.52
  4. Step 4: Simplify right side
    106,078.41x = 4,960,283,580.84
  5. Step 5: Solve for x
    x = 4,960,283,580.84/106,078.41
  6. Step 6: Final answer
    x = 46,760.54

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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.