Home / 68,962.80-103,495.40-27,439.60

Finding the Fourth Proportional to 68,962.80, 103,495.40 and 27,439.60

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Solution

The fourth proportional to 68,962.80, 103,495.40 and 27,439.60 is: 41,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.80 : 103,495.40 = 27,439.60 : x
  2. Step 2: Convert to fraction form
    68,962.80/103,495.40 = 27,439.60/x
  3. Step 3: Cross multiply
    68,962.80x = 103,495.40 × 27,439.60
  4. Step 4: Simplify right side
    68,962.80x = 2,839,872,377.84
  5. Step 5: Solve for x
    x = 2,839,872,377.84/68,962.80
  6. Step 6: Final answer
    x = 41,179.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.