Home / 84,770.78-116,994.04-48,960.75

Finding the Fourth Proportional to 84,770.78, 116,994.04 and 48,960.75

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Solution

The fourth proportional to 84,770.78, 116,994.04 and 48,960.75 is: 67,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,770.78 : 116,994.04 = 48,960.75 : x
  2. Step 2: Convert to fraction form
    84,770.78/116,994.04 = 48,960.75/x
  3. Step 3: Cross multiply
    84,770.78x = 116,994.04 × 48,960.75
  4. Step 4: Simplify right side
    84,770.78x = 5,728,115,821.53
  5. Step 5: Solve for x
    x = 5,728,115,821.53/84,770.78
  6. Step 6: Final answer
    x = 67,571.82

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1.5x scale

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.