Home / 72,960.37-100,685.14-41,129.03

Finding the Fourth Proportional to 72,960.37, 100,685.14 and 41,129.03

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Solution

The fourth proportional to 72,960.37, 100,685.14 and 41,129.03 is: 56,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,960.37 : 100,685.14 = 41,129.03 : x
  2. Step 2: Convert to fraction form
    72,960.37/100,685.14 = 41,129.03/x
  3. Step 3: Cross multiply
    72,960.37x = 100,685.14 × 41,129.03
  4. Step 4: Simplify right side
    72,960.37x = 4,141,082,292.50
  5. Step 5: Solve for x
    x = 4,141,082,292.50/72,960.37
  6. Step 6: Final answer
    x = 56,757.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.