Home / 68,530.71-94,573.04-40,236.87

Finding the Fourth Proportional to 68,530.71, 94,573.04 and 40,236.87

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Solution

The fourth proportional to 68,530.71, 94,573.04 and 40,236.87 is: 55,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.71 : 94,573.04 = 40,236.87 : x
  2. Step 2: Convert to fraction form
    68,530.71/94,573.04 = 40,236.87/x
  3. Step 3: Cross multiply
    68,530.71x = 94,573.04 × 40,236.87
  4. Step 4: Simplify right side
    68,530.71x = 3,805,322,914.80
  5. Step 5: Solve for x
    x = 3,805,322,914.80/68,530.71
  6. Step 6: Final answer
    x = 55,527.27

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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.