Home / 86,158.46-129,212.58-33,555.44

Finding the Fourth Proportional to 86,158.46, 129,212.58 and 33,555.44

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Solution

The fourth proportional to 86,158.46, 129,212.58 and 33,555.44 is: 50,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,158.46 : 129,212.58 = 33,555.44 : x
  2. Step 2: Convert to fraction form
    86,158.46/129,212.58 = 33,555.44/x
  3. Step 3: Cross multiply
    86,158.46x = 129,212.58 × 33,555.44
  4. Step 4: Simplify right side
    86,158.46x = 4,335,784,975.44
  5. Step 5: Solve for x
    x = 4,335,784,975.44/86,158.46
  6. Step 6: Final answer
    x = 50,323.38

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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.