Home / 76,770.46-115,133.82-48,648.07

Finding the Fourth Proportional to 76,770.46, 115,133.82 and 48,648.07

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Solution

The fourth proportional to 76,770.46, 115,133.82 and 48,648.07 is: 72,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,770.46 : 115,133.82 = 48,648.07 : x
  2. Step 2: Convert to fraction form
    76,770.46/115,133.82 = 48,648.07/x
  3. Step 3: Cross multiply
    76,770.46x = 115,133.82 × 48,648.07
  4. Step 4: Simplify right side
    76,770.46x = 5,601,038,134.73
  5. Step 5: Solve for x
    x = 5,601,038,134.73/76,770.46
  6. Step 6: Final answer
    x = 72,958.25

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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.