Home / 68,372.63-94,357.91-40,087.43

Finding the Fourth Proportional to 68,372.63, 94,357.91 and 40,087.43

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Solution

The fourth proportional to 68,372.63, 94,357.91 and 40,087.43 is: 55,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.63 : 94,357.91 = 40,087.43 : x
  2. Step 2: Convert to fraction form
    68,372.63/94,357.91 = 40,087.43/x
  3. Step 3: Cross multiply
    68,372.63x = 94,357.91 × 40,087.43
  4. Step 4: Simplify right side
    68,372.63x = 3,782,565,740.50
  5. Step 5: Solve for x
    x = 3,782,565,740.50/68,372.63
  6. Step 6: Final answer
    x = 55,322.81

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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.