Home / 49,860.60-68,667.66-48,771.96

Finding the Fourth Proportional to 49,860.60, 68,667.66 and 48,771.96

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Solution

The fourth proportional to 49,860.60, 68,667.66 and 48,771.96 is: 67,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.60 : 68,667.66 = 48,771.96 : x
  2. Step 2: Convert to fraction form
    49,860.60/68,667.66 = 48,771.96/x
  3. Step 3: Cross multiply
    49,860.60x = 68,667.66 × 48,771.96
  4. Step 4: Simplify right side
    49,860.60x = 3,349,056,366.81
  5. Step 5: Solve for x
    x = 3,349,056,366.81/49,860.60
  6. Step 6: Final answer
    x = 67,168.39

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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.