Home / 68,454.42-94,460.63-40,154.64

Finding the Fourth Proportional to 68,454.42, 94,460.63 and 40,154.64

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Solution

The fourth proportional to 68,454.42, 94,460.63 and 40,154.64 is: 55,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.42 : 94,460.63 = 40,154.64 : x
  2. Step 2: Convert to fraction form
    68,454.42/94,460.63 = 40,154.64/x
  3. Step 3: Cross multiply
    68,454.42x = 94,460.63 × 40,154.64
  4. Step 4: Simplify right side
    68,454.42x = 3,793,032,262.69
  5. Step 5: Solve for x
    x = 3,793,032,262.69/68,454.42
  6. Step 6: Final answer
    x = 55,409.61

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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.