Home / 85,241.10-127,861.47-22,911.60

Finding the Fourth Proportional to 85,241.10, 127,861.47 and 22,911.60

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Solution

The fourth proportional to 85,241.10, 127,861.47 and 22,911.60 is: 34,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.10 : 127,861.47 = 22,911.60 : x
  2. Step 2: Convert to fraction form
    85,241.10/127,861.47 = 22,911.60/x
  3. Step 3: Cross multiply
    85,241.10x = 127,861.47 × 22,911.60
  4. Step 4: Simplify right side
    85,241.10x = 2,929,510,856.05
  5. Step 5: Solve for x
    x = 2,929,510,856.05/85,241.10
  6. Step 6: Final answer
    x = 34,367.35

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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.