Home / 104,281.71-156,422.56-48,105.20

Finding the Fourth Proportional to 104,281.71, 156,422.56 and 48,105.20

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Solution

The fourth proportional to 104,281.71, 156,422.56 and 48,105.20 is: 72,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.71 : 156,422.56 = 48,105.20 : x
  2. Step 2: Convert to fraction form
    104,281.71/156,422.56 = 48,105.20/x
  3. Step 3: Cross multiply
    104,281.71x = 156,422.56 × 48,105.20
  4. Step 4: Simplify right side
    104,281.71x = 7,524,738,311.40
  5. Step 5: Solve for x
    x = 7,524,738,311.40/104,281.71
  6. Step 6: Final answer
    x = 72,157.80

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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.