Home / 57,188.06-85,784.82-27,630.75

Finding the Fourth Proportional to 57,188.06, 85,784.82 and 27,630.75

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Solution

The fourth proportional to 57,188.06, 85,784.82 and 27,630.75 is: 41,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.06 : 85,784.82 = 27,630.75 : x
  2. Step 2: Convert to fraction form
    57,188.06/85,784.82 = 27,630.75/x
  3. Step 3: Cross multiply
    57,188.06x = 85,784.82 × 27,630.75
  4. Step 4: Simplify right side
    57,188.06x = 2,370,298,915.22
  5. Step 5: Solve for x
    x = 2,370,298,915.22/57,188.06
  6. Step 6: Final answer
    x = 41,447.44

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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.