Home / 76,134.33-105,052.95-47,819.97

Finding the Fourth Proportional to 76,134.33, 105,052.95 and 47,819.97

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Solution

The fourth proportional to 76,134.33, 105,052.95 and 47,819.97 is: 65,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,134.33 : 105,052.95 = 47,819.97 : x
  2. Step 2: Convert to fraction form
    76,134.33/105,052.95 = 47,819.97/x
  3. Step 3: Cross multiply
    76,134.33x = 105,052.95 × 47,819.97
  4. Step 4: Simplify right side
    76,134.33x = 5,023,628,917.41
  5. Step 5: Solve for x
    x = 5,023,628,917.41/76,134.33
  6. Step 6: Final answer
    x = 65,983.75

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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.