Home / 67,642.44-93,384.14-40,791.75

Finding the Fourth Proportional to 67,642.44, 93,384.14 and 40,791.75

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Solution

The fourth proportional to 67,642.44, 93,384.14 and 40,791.75 is: 56,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.44 : 93,384.14 = 40,791.75 : x
  2. Step 2: Convert to fraction form
    67,642.44/93,384.14 = 40,791.75/x
  3. Step 3: Cross multiply
    67,642.44x = 93,384.14 × 40,791.75
  4. Step 4: Simplify right side
    67,642.44x = 3,809,302,288.89
  5. Step 5: Solve for x
    x = 3,809,302,288.89/67,642.44
  6. Step 6: Final answer
    x = 56,315.27

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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.