Home / 123,917.45-185,771.69-53,743.91

Finding the Fourth Proportional to 123,917.45, 185,771.69 and 53,743.91

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Solution

The fourth proportional to 123,917.45, 185,771.69 and 53,743.91 is: 80,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.45 : 185,771.69 = 53,743.91 : x
  2. Step 2: Convert to fraction form
    123,917.45/185,771.69 = 53,743.91/x
  3. Step 3: Cross multiply
    123,917.45x = 185,771.69 × 53,743.91
  4. Step 4: Simplify right side
    123,917.45x = 9,984,096,719.19
  5. Step 5: Solve for x
    x = 9,984,096,719.19/123,917.45
  6. Step 6: Final answer
    x = 80,570.55

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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.