Home / 80,713.06-121,027.37-36,301.77

Finding the Fourth Proportional to 80,713.06, 121,027.37 and 36,301.77

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Solution

The fourth proportional to 80,713.06, 121,027.37 and 36,301.77 is: 54,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,713.06 : 121,027.37 = 36,301.77 : x
  2. Step 2: Convert to fraction form
    80,713.06/121,027.37 = 36,301.77/x
  3. Step 3: Cross multiply
    80,713.06x = 121,027.37 × 36,301.77
  4. Step 4: Simplify right side
    80,713.06x = 4,393,507,567.94
  5. Step 5: Solve for x
    x = 4,393,507,567.94/80,713.06
  6. Step 6: Final answer
    x = 54,433.67

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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.