Home / 76,787.58-105,930.63-44,936.76

Finding the Fourth Proportional to 76,787.58, 105,930.63 and 44,936.76

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Solution

The fourth proportional to 76,787.58, 105,930.63 and 44,936.76 is: 61,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,787.58 : 105,930.63 = 44,936.76 : x
  2. Step 2: Convert to fraction form
    76,787.58/105,930.63 = 44,936.76/x
  3. Step 3: Cross multiply
    76,787.58x = 105,930.63 × 44,936.76
  4. Step 4: Simplify right side
    76,787.58x = 4,760,179,296.96
  5. Step 5: Solve for x
    x = 4,760,179,296.96/76,787.58
  6. Step 6: Final answer
    x = 61,991.53

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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.