Home / 106,359.22-159,482.37-31,469.05

Finding the Fourth Proportional to 106,359.22, 159,482.37 and 31,469.05

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Solution

The fourth proportional to 106,359.22, 159,482.37 and 31,469.05 is: 47,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,359.22 : 159,482.37 = 31,469.05 : x
  2. Step 2: Convert to fraction form
    106,359.22/159,482.37 = 31,469.05/x
  3. Step 3: Cross multiply
    106,359.22x = 159,482.37 × 31,469.05
  4. Step 4: Simplify right side
    106,359.22x = 5,018,757,878.24
  5. Step 5: Solve for x
    x = 5,018,757,878.24/106,359.22
  6. Step 6: Final answer
    x = 47,186.86

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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.