Home / 100,247.10-150,322.63-33,668.74

Finding the Fourth Proportional to 100,247.10, 150,322.63 and 33,668.74

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Solution

The fourth proportional to 100,247.10, 150,322.63 and 33,668.74 is: 50,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,247.10 : 150,322.63 = 33,668.74 : x
  2. Step 2: Convert to fraction form
    100,247.10/150,322.63 = 33,668.74/x
  3. Step 3: Cross multiply
    100,247.10x = 150,322.63 × 33,668.74
  4. Step 4: Simplify right side
    100,247.10x = 5,061,173,545.59
  5. Step 5: Solve for x
    x = 5,061,173,545.59/100,247.10
  6. Step 6: Final answer
    x = 50,486.98

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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.