Home / 86,639.80-119,564.92-50,855.62

Finding the Fourth Proportional to 86,639.80, 119,564.92 and 50,855.62

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Solution

The fourth proportional to 86,639.80, 119,564.92 and 50,855.62 is: 70,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,639.80 : 119,564.92 = 50,855.62 : x
  2. Step 2: Convert to fraction form
    86,639.80/119,564.92 = 50,855.62/x
  3. Step 3: Cross multiply
    86,639.80x = 119,564.92 × 50,855.62
  4. Step 4: Simplify right side
    86,639.80x = 6,080,548,136.85
  5. Step 5: Solve for x
    x = 6,080,548,136.85/86,639.80
  6. Step 6: Final answer
    x = 70,181.93

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1.5x scale

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.