Home / 79,255.96-119,032.04-69,771.68

Finding the Fourth Proportional to 79,255.96, 119,032.04 and 69,771.68

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Solution

The fourth proportional to 79,255.96, 119,032.04 and 69,771.68 is: 104,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.96 : 119,032.04 = 69,771.68 : x
  2. Step 2: Convert to fraction form
    79,255.96/119,032.04 = 69,771.68/x
  3. Step 3: Cross multiply
    79,255.96x = 119,032.04 × 69,771.68
  4. Step 4: Simplify right side
    79,255.96x = 8,305,065,404.63
  5. Step 5: Solve for x
    x = 8,305,065,404.63/79,255.96
  6. Step 6: Final answer
    x = 104,787.90

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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.