Home / 79,975.96-119,892.62-40,512.76

Finding the Fourth Proportional to 79,975.96, 119,892.62 and 40,512.76

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Solution

The fourth proportional to 79,975.96, 119,892.62 and 40,512.76 is: 60,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,975.96 : 119,892.62 = 40,512.76 : x
  2. Step 2: Convert to fraction form
    79,975.96/119,892.62 = 40,512.76/x
  3. Step 3: Cross multiply
    79,975.96x = 119,892.62 × 40,512.76
  4. Step 4: Simplify right side
    79,975.96x = 4,857,180,939.83
  5. Step 5: Solve for x
    x = 4,857,180,939.83/79,975.96
  6. Step 6: Final answer
    x = 60,733.01

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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.