Home / 105,945.37-158,903.91-39,376.46

Finding the Fourth Proportional to 105,945.37, 158,903.91 and 39,376.46

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Solution

The fourth proportional to 105,945.37, 158,903.91 and 39,376.46 is: 59,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,945.37 : 158,903.91 = 39,376.46 : x
  2. Step 2: Convert to fraction form
    105,945.37/158,903.91 = 39,376.46/x
  3. Step 3: Cross multiply
    105,945.37x = 158,903.91 × 39,376.46
  4. Step 4: Simplify right side
    105,945.37x = 6,257,073,853.22
  5. Step 5: Solve for x
    x = 6,257,073,853.22/105,945.37
  6. Step 6: Final answer
    x = 59,059.44

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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.