Home / 104,480.10-156,745.35-34,355.70

Finding the Fourth Proportional to 104,480.10, 156,745.35 and 34,355.70

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Solution

The fourth proportional to 104,480.10, 156,745.35 and 34,355.70 is: 51,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.10 : 156,745.35 = 34,355.70 : x
  2. Step 2: Convert to fraction form
    104,480.10/156,745.35 = 34,355.70/x
  3. Step 3: Cross multiply
    104,480.10x = 156,745.35 × 34,355.70
  4. Step 4: Simplify right side
    104,480.10x = 5,385,096,221.00
  5. Step 5: Solve for x
    x = 5,385,096,221.00/104,480.10
  6. Step 6: Final answer
    x = 51,541.84

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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.