Home / 86,628.71-119,546.64-50,811.84

Finding the Fourth Proportional to 86,628.71, 119,546.64 and 50,811.84

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Solution

The fourth proportional to 86,628.71, 119,546.64 and 50,811.84 is: 70,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.71 : 119,546.64 = 50,811.84 : x
  2. Step 2: Convert to fraction form
    86,628.71/119,546.64 = 50,811.84/x
  3. Step 3: Cross multiply
    86,628.71x = 119,546.64 × 50,811.84
  4. Step 4: Simplify right side
    86,628.71x = 6,074,384,744.22
  5. Step 5: Solve for x
    x = 6,074,384,744.22/86,628.71
  6. Step 6: Final answer
    x = 70,119.76

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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.