Home / 86,133.87-129,151.08-33,481.80

Finding the Fourth Proportional to 86,133.87, 129,151.08 and 33,481.80

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Solution

The fourth proportional to 86,133.87, 129,151.08 and 33,481.80 is: 50,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.87 : 129,151.08 = 33,481.80 : x
  2. Step 2: Convert to fraction form
    86,133.87/129,151.08 = 33,481.80/x
  3. Step 3: Cross multiply
    86,133.87x = 129,151.08 × 33,481.80
  4. Step 4: Simplify right side
    86,133.87x = 4,324,210,630.34
  5. Step 5: Solve for x
    x = 4,324,210,630.34/86,133.87
  6. Step 6: Final answer
    x = 50,203.37

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1.5x scale

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.