Home / 104,200.28-156,091.08-47,961.80

Finding the Fourth Proportional to 104,200.28, 156,091.08 and 47,961.80

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Solution

The fourth proportional to 104,200.28, 156,091.08 and 47,961.80 is: 71,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.28 : 156,091.08 = 47,961.80 : x
  2. Step 2: Convert to fraction form
    104,200.28/156,091.08 = 47,961.80/x
  3. Step 3: Cross multiply
    104,200.28x = 156,091.08 × 47,961.80
  4. Step 4: Simplify right side
    104,200.28x = 7,486,409,160.74
  5. Step 5: Solve for x
    x = 7,486,409,160.74/104,200.28
  6. Step 6: Final answer
    x = 71,846.34

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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.