Home / 105,799.68-158,768.64-50,400

Finding the Fourth Proportional to 105,799.68, 158,768.64 and 50,400

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Solution

The fourth proportional to 105,799.68, 158,768.64 and 50,400 is: 75,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,799.68 : 158,768.64 = 50,400 : x
  2. Step 2: Convert to fraction form
    105,799.68/158,768.64 = 50,400/x
  3. Step 3: Cross multiply
    105,799.68x = 158,768.64 × 50,400
  4. Step 4: Simplify right side
    105,799.68x = 8,001,939,456.00
  5. Step 5: Solve for x
    x = 8,001,939,456.00/105,799.68
  6. Step 6: Final answer
    x = 75,632.93

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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.