Home / 73,122.50-109,718.58-50,667.80

Finding the Fourth Proportional to 73,122.50, 109,718.58 and 50,667.80

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Solution

The fourth proportional to 73,122.50, 109,718.58 and 50,667.80 is: 76,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.50 : 109,718.58 = 50,667.80 : x
  2. Step 2: Convert to fraction form
    73,122.50/109,718.58 = 50,667.80/x
  3. Step 3: Cross multiply
    73,122.50x = 109,718.58 × 50,667.80
  4. Step 4: Simplify right side
    73,122.50x = 5,559,199,207.38
  5. Step 5: Solve for x
    x = 5,559,199,207.38/73,122.50
  6. Step 6: Final answer
    x = 76,025.84

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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.