Home / 68,141.64-94,046.70-39,841.84

Finding the Fourth Proportional to 68,141.64, 94,046.70 and 39,841.84

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Solution

The fourth proportional to 68,141.64, 94,046.70 and 39,841.84 is: 54,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,141.64 : 94,046.70 = 39,841.84 : x
  2. Step 2: Convert to fraction form
    68,141.64/94,046.70 = 39,841.84/x
  3. Step 3: Cross multiply
    68,141.64x = 94,046.70 × 39,841.84
  4. Step 4: Simplify right side
    68,141.64x = 3,746,993,573.93
  5. Step 5: Solve for x
    x = 3,746,993,573.93/68,141.64
  6. Step 6: Final answer
    x = 54,988.31

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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.