Home / 67,642.08-93,383.61-40,791.39

Finding the Fourth Proportional to 67,642.08, 93,383.61 and 40,791.39

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Solution

The fourth proportional to 67,642.08, 93,383.61 and 40,791.39 is: 56,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,642.08 : 93,383.61 = 40,791.39 : x
  2. Step 2: Convert to fraction form
    67,642.08/93,383.61 = 40,791.39/x
  3. Step 3: Cross multiply
    67,642.08x = 93,383.61 × 40,791.39
  4. Step 4: Simplify right side
    67,642.08x = 3,809,247,255.12
  5. Step 5: Solve for x
    x = 3,809,247,255.12/67,642.08
  6. Step 6: Final answer
    x = 56,314.76

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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.