Home / 57,219.75-85,853.25-30,893.49

Finding the Fourth Proportional to 57,219.75, 85,853.25 and 30,893.49

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Solution

The fourth proportional to 57,219.75, 85,853.25 and 30,893.49 is: 46,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.75 : 85,853.25 = 30,893.49 : x
  2. Step 2: Convert to fraction form
    57,219.75/85,853.25 = 30,893.49/x
  3. Step 3: Cross multiply
    57,219.75x = 85,853.25 × 30,893.49
  4. Step 4: Simplify right side
    57,219.75x = 2,652,306,520.34
  5. Step 5: Solve for x
    x = 2,652,306,520.34/57,219.75
  6. Step 6: Final answer
    x = 46,352.99

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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.