Home / 106,458.96-159,786.72-53,905.32

Finding the Fourth Proportional to 106,458.96, 159,786.72 and 53,905.32

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Solution

The fourth proportional to 106,458.96, 159,786.72 and 53,905.32 is: 80,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.96 : 159,786.72 = 53,905.32 : x
  2. Step 2: Convert to fraction form
    106,458.96/159,786.72 = 53,905.32/x
  3. Step 3: Cross multiply
    106,458.96x = 159,786.72 × 53,905.32
  4. Step 4: Simplify right side
    106,458.96x = 8,613,354,273.35
  5. Step 5: Solve for x
    x = 8,613,354,273.35/106,458.96
  6. Step 6: Final answer
    x = 80,907.74

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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.