Home / 106,009.32-158,975.10-31,110.24

Finding the Fourth Proportional to 106,009.32, 158,975.10 and 31,110.24

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Solution

The fourth proportional to 106,009.32, 158,975.10 and 31,110.24 is: 46,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,009.32 : 158,975.10 = 31,110.24 : x
  2. Step 2: Convert to fraction form
    106,009.32/158,975.10 = 31,110.24/x
  3. Step 3: Cross multiply
    106,009.32x = 158,975.10 × 31,110.24
  4. Step 4: Simplify right side
    106,009.32x = 4,945,753,515.02
  5. Step 5: Solve for x
    x = 4,945,753,515.02/106,009.32
  6. Step 6: Final answer
    x = 46,653.95

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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.