Home / 123,696.72-185,570.33-52,619.22

Finding the Fourth Proportional to 123,696.72, 185,570.33 and 52,619.22

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Solution

The fourth proportional to 123,696.72, 185,570.33 and 52,619.22 is: 78,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,696.72 : 185,570.33 = 52,619.22 : x
  2. Step 2: Convert to fraction form
    123,696.72/185,570.33 = 52,619.22/x
  3. Step 3: Cross multiply
    123,696.72x = 185,570.33 × 52,619.22
  4. Step 4: Simplify right side
    123,696.72x = 9,764,565,756.65
  5. Step 5: Solve for x
    x = 9,764,565,756.65/123,696.72
  6. Step 6: Final answer
    x = 78,939.57

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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.