Home / 75,246.42-103,840.07-40,791.27

Finding the Fourth Proportional to 75,246.42, 103,840.07 and 40,791.27

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Solution

The fourth proportional to 75,246.42, 103,840.07 and 40,791.27 is: 56,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,246.42 : 103,840.07 = 40,791.27 : x
  2. Step 2: Convert to fraction form
    75,246.42/103,840.07 = 40,791.27/x
  3. Step 3: Cross multiply
    75,246.42x = 103,840.07 × 40,791.27
  4. Step 4: Simplify right side
    75,246.42x = 4,235,768,128.23
  5. Step 5: Solve for x
    x = 4,235,768,128.23/75,246.42
  6. Step 6: Final answer
    x = 56,291.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.