Home / 68,159.60-94,043.18-40,940.26

Finding the Fourth Proportional to 68,159.60, 94,043.18 and 40,940.26

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Solution

The fourth proportional to 68,159.60, 94,043.18 and 40,940.26 is: 56,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159.60 : 94,043.18 = 40,940.26 : x
  2. Step 2: Convert to fraction form
    68,159.60/94,043.18 = 40,940.26/x
  3. Step 3: Cross multiply
    68,159.60x = 94,043.18 × 40,940.26
  4. Step 4: Simplify right side
    68,159.60x = 3,850,152,240.43
  5. Step 5: Solve for x
    x = 3,850,152,240.43/68,159.60
  6. Step 6: Final answer
    x = 56,487.31

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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.