Home / 86,359.68-129,528.18-33,806.34

Finding the Fourth Proportional to 86,359.68, 129,528.18 and 33,806.34

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Solution

The fourth proportional to 86,359.68, 129,528.18 and 33,806.34 is: 50,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.68 : 129,528.18 = 33,806.34 : x
  2. Step 2: Convert to fraction form
    86,359.68/129,528.18 = 33,806.34/x
  3. Step 3: Cross multiply
    86,359.68x = 129,528.18 × 33,806.34
  4. Step 4: Simplify right side
    86,359.68x = 4,378,873,692.66
  5. Step 5: Solve for x
    x = 4,378,873,692.66/86,359.68
  6. Step 6: Final answer
    x = 50,705.07

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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.