Home / 86,033.72-129,050.58-33,455.50

Finding the Fourth Proportional to 86,033.72, 129,050.58 and 33,455.50

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Solution

The fourth proportional to 86,033.72, 129,050.58 and 33,455.50 is: 50,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.72 : 129,050.58 = 33,455.50 : x
  2. Step 2: Convert to fraction form
    86,033.72/129,050.58 = 33,455.50/x
  3. Step 3: Cross multiply
    86,033.72x = 129,050.58 × 33,455.50
  4. Step 4: Simplify right side
    86,033.72x = 4,317,451,834.54
  5. Step 5: Solve for x
    x = 4,317,451,834.54/86,033.72
  6. Step 6: Final answer
    x = 50,183.25

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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.