Home / 106,310.54-159,443.91-47,108.45

Finding the Fourth Proportional to 106,310.54, 159,443.91 and 47,108.45

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Solution

The fourth proportional to 106,310.54, 159,443.91 and 47,108.45 is: 70,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,310.54 : 159,443.91 = 47,108.45 : x
  2. Step 2: Convert to fraction form
    106,310.54/159,443.91 = 47,108.45/x
  3. Step 3: Cross multiply
    106,310.54x = 159,443.91 × 47,108.45
  4. Step 4: Simplify right side
    106,310.54x = 7,511,155,860.65
  5. Step 5: Solve for x
    x = 7,511,155,860.65/106,310.54
  6. Step 6: Final answer
    x = 70,652.97

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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.