Home / 123,917.46-185,771.68-53,743.92

Finding the Fourth Proportional to 123,917.46, 185,771.68 and 53,743.92

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Solution

The fourth proportional to 123,917.46, 185,771.68 and 53,743.92 is: 80,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.46 : 185,771.68 = 53,743.92 : x
  2. Step 2: Convert to fraction form
    123,917.46/185,771.68 = 53,743.92/x
  3. Step 3: Cross multiply
    123,917.46x = 185,771.68 × 53,743.92
  4. Step 4: Simplify right side
    123,917.46x = 9,984,098,308.19
  5. Step 5: Solve for x
    x = 9,984,098,308.19/123,917.46
  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.