Home / 68,530.96-94,573.38-40,237.12

Finding the Fourth Proportional to 68,530.96, 94,573.38 and 40,237.12

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Solution

The fourth proportional to 68,530.96, 94,573.38 and 40,237.12 is: 55,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.96 : 94,573.38 = 40,237.12 : x
  2. Step 2: Convert to fraction form
    68,530.96/94,573.38 = 40,237.12/x
  3. Step 3: Cross multiply
    68,530.96x = 94,573.38 × 40,237.12
  4. Step 4: Simplify right side
    68,530.96x = 3,805,360,439.87
  5. Step 5: Solve for x
    x = 3,805,360,439.87/68,530.96
  6. Step 6: Final answer
    x = 55,527.61

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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.