Home / 68,464.09-94,463.17-40,164.31

Finding the Fourth Proportional to 68,464.09, 94,463.17 and 40,164.31

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Solution

The fourth proportional to 68,464.09, 94,463.17 and 40,164.31 is: 55,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.09 : 94,463.17 = 40,164.31 : x
  2. Step 2: Convert to fraction form
    68,464.09/94,463.17 = 40,164.31/x
  3. Step 3: Cross multiply
    68,464.09x = 94,463.17 × 40,164.31
  4. Step 4: Simplify right side
    68,464.09x = 3,794,048,043.46
  5. Step 5: Solve for x
    x = 3,794,048,043.46/68,464.09
  6. Step 6: Final answer
    x = 55,416.61

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1.5x scale

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.