Home / 86,511.85-119,363.76-50,682.60

Finding the Fourth Proportional to 86,511.85, 119,363.76 and 50,682.60

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Solution

The fourth proportional to 86,511.85, 119,363.76 and 50,682.60 is: 69,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,511.85 : 119,363.76 = 50,682.60 : x
  2. Step 2: Convert to fraction form
    86,511.85/119,363.76 = 50,682.60/x
  3. Step 3: Cross multiply
    86,511.85x = 119,363.76 × 50,682.60
  4. Step 4: Simplify right side
    86,511.85x = 6,049,665,702.58
  5. Step 5: Solve for x
    x = 6,049,665,702.58/86,511.85
  6. Step 6: Final answer
    x = 69,928.75

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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.