Home / 106,470.48-159,729.30-31,596.60

Finding the Fourth Proportional to 106,470.48, 159,729.30 and 31,596.60

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Solution

The fourth proportional to 106,470.48, 159,729.30 and 31,596.60 is: 47,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,470.48 : 159,729.30 = 31,596.60 : x
  2. Step 2: Convert to fraction form
    106,470.48/159,729.30 = 31,596.60/x
  3. Step 3: Cross multiply
    106,470.48x = 159,729.30 × 31,596.60
  4. Step 4: Simplify right side
    106,470.48x = 5,046,902,800.38
  5. Step 5: Solve for x
    x = 5,046,902,800.38/106,470.48
  6. Step 6: Final answer
    x = 47,401.90

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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.