Home / 57,986.55-86,961.60-35,766.63

Finding the Fourth Proportional to 57,986.55, 86,961.60 and 35,766.63

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Solution

The fourth proportional to 57,986.55, 86,961.60 and 35,766.63 is: 53,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.55 : 86,961.60 = 35,766.63 : x
  2. Step 2: Convert to fraction form
    57,986.55/86,961.60 = 35,766.63/x
  3. Step 3: Cross multiply
    57,986.55x = 86,961.60 × 35,766.63
  4. Step 4: Simplify right side
    57,986.55x = 3,110,323,371.41
  5. Step 5: Solve for x
    x = 3,110,323,371.41/57,986.55
  6. Step 6: Final answer
    x = 53,638.70

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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.