Home / 82,100.15-123,290.93-50,696.03

Finding the Fourth Proportional to 82,100.15, 123,290.93 and 50,696.03

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Solution

The fourth proportional to 82,100.15, 123,290.93 and 50,696.03 is: 76,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,100.15 : 123,290.93 = 50,696.03 : x
  2. Step 2: Convert to fraction form
    82,100.15/123,290.93 = 50,696.03/x
  3. Step 3: Cross multiply
    82,100.15x = 123,290.93 × 50,696.03
  4. Step 4: Simplify right side
    82,100.15x = 6,250,360,249.24
  5. Step 5: Solve for x
    x = 6,250,360,249.24/82,100.15
  6. Step 6: Final answer
    x = 76,130.92

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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.