Home / 105,914.66-158,873.27-31,036.32

Finding the Fourth Proportional to 105,914.66, 158,873.27 and 31,036.32

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Solution

The fourth proportional to 105,914.66, 158,873.27 and 31,036.32 is: 46,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.66 : 158,873.27 = 31,036.32 : x
  2. Step 2: Convert to fraction form
    105,914.66/158,873.27 = 31,036.32/x
  3. Step 3: Cross multiply
    105,914.66x = 158,873.27 × 31,036.32
  4. Step 4: Simplify right side
    105,914.66x = 4,930,841,608.37
  5. Step 5: Solve for x
    x = 4,930,841,608.37/105,914.66
  6. Step 6: Final answer
    x = 46,554.86

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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.