Home / 76,129.85-114,205.73-23,543.44

Finding the Fourth Proportional to 76,129.85, 114,205.73 and 23,543.44

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Solution

The fourth proportional to 76,129.85, 114,205.73 and 23,543.44 is: 35,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129.85 : 114,205.73 = 23,543.44 : x
  2. Step 2: Convert to fraction form
    76,129.85/114,205.73 = 23,543.44/x
  3. Step 3: Cross multiply
    76,129.85x = 114,205.73 × 23,543.44
  4. Step 4: Simplify right side
    76,129.85x = 2,688,795,348.68
  5. Step 5: Solve for x
    x = 2,688,795,348.68/76,129.85
  6. Step 6: Final answer
    x = 35,318.54

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1.5x scale

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.