Home / 56,735.52-85,078.69-19,285.54

Finding the Fourth Proportional to 56,735.52, 85,078.69 and 19,285.54

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Solution

The fourth proportional to 56,735.52, 85,078.69 and 19,285.54 is: 28,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,735.52 : 85,078.69 = 19,285.54 : x
  2. Step 2: Convert to fraction form
    56,735.52/85,078.69 = 19,285.54/x
  3. Step 3: Cross multiply
    56,735.52x = 85,078.69 × 19,285.54
  4. Step 4: Simplify right side
    56,735.52x = 1,640,788,696.80
  5. Step 5: Solve for x
    x = 1,640,788,696.80/56,735.52
  6. Step 6: Final answer
    x = 28,919.95

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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.