Home / 106,076.54-159,090.17-31,176.65

Finding the Fourth Proportional to 106,076.54, 159,090.17 and 31,176.65

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Solution

The fourth proportional to 106,076.54, 159,090.17 and 31,176.65 is: 46,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,076.54 : 159,090.17 = 31,176.65 : x
  2. Step 2: Convert to fraction form
    106,076.54/159,090.17 = 31,176.65/x
  3. Step 3: Cross multiply
    106,076.54x = 159,090.17 × 31,176.65
  4. Step 4: Simplify right side
    106,076.54x = 4,959,897,597.20
  5. Step 5: Solve for x
    x = 4,959,897,597.20/106,076.54
  6. Step 6: Final answer
    x = 46,757.73

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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.