Home / 86,378.42-119,161.50-50,546.45

Finding the Fourth Proportional to 86,378.42, 119,161.50 and 50,546.45

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Solution

The fourth proportional to 86,378.42, 119,161.50 and 50,546.45 is: 69,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,378.42 : 119,161.50 = 50,546.45 : x
  2. Step 2: Convert to fraction form
    86,378.42/119,161.50 = 50,546.45/x
  3. Step 3: Cross multiply
    86,378.42x = 119,161.50 × 50,546.45
  4. Step 4: Simplify right side
    86,378.42x = 6,023,190,910.03
  5. Step 5: Solve for x
    x = 6,023,190,910.03/86,378.42
  6. Step 6: Final answer
    x = 69,730.27

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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.