Home / 104,715.75-156,964.25-51,333.81

Finding the Fourth Proportional to 104,715.75, 156,964.25 and 51,333.81

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Solution

The fourth proportional to 104,715.75, 156,964.25 and 51,333.81 is: 76,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,715.75 : 156,964.25 = 51,333.81 : x
  2. Step 2: Convert to fraction form
    104,715.75/156,964.25 = 51,333.81/x
  3. Step 3: Cross multiply
    104,715.75x = 156,964.25 × 51,333.81
  4. Step 4: Simplify right side
    104,715.75x = 8,057,573,408.94
  5. Step 5: Solve for x
    x = 8,057,573,408.94/104,715.75
  6. Step 6: Final answer
    x = 76,947.10

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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.