Home / 79,665.21-119,571.66-40,250.07

Finding the Fourth Proportional to 79,665.21, 119,571.66 and 40,250.07

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Solution

The fourth proportional to 79,665.21, 119,571.66 and 40,250.07 is: 60,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,665.21 : 119,571.66 = 40,250.07 : x
  2. Step 2: Convert to fraction form
    79,665.21/119,571.66 = 40,250.07/x
  3. Step 3: Cross multiply
    79,665.21x = 119,571.66 × 40,250.07
  4. Step 4: Simplify right side
    79,665.21x = 4,812,767,685.02
  5. Step 5: Solve for x
    x = 4,812,767,685.02/79,665.21
  6. Step 6: Final answer
    x = 60,412.41

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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.