Home / 76,930.15-106,245.46-58,584.64

Finding the Fourth Proportional to 76,930.15, 106,245.46 and 58,584.64

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Solution

The fourth proportional to 76,930.15, 106,245.46 and 58,584.64 is: 80,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.15 : 106,245.46 = 58,584.64 : x
  2. Step 2: Convert to fraction form
    76,930.15/106,245.46 = 58,584.64/x
  3. Step 3: Cross multiply
    76,930.15x = 106,245.46 × 58,584.64
  4. Step 4: Simplify right side
    76,930.15x = 6,224,351,201.58
  5. Step 5: Solve for x
    x = 6,224,351,201.58/76,930.15
  6. Step 6: Final answer
    x = 80,909.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.