Home / 104,770.42-144,517.89-63,915.88

Finding the Fourth Proportional to 104,770.42, 144,517.89 and 63,915.88

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Solution

The fourth proportional to 104,770.42, 144,517.89 and 63,915.88 is: 88,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,770.42 : 144,517.89 = 63,915.88 : x
  2. Step 2: Convert to fraction form
    104,770.42/144,517.89 = 63,915.88/x
  3. Step 3: Cross multiply
    104,770.42x = 144,517.89 × 63,915.88
  4. Step 4: Simplify right side
    104,770.42x = 9,236,988,115.09
  5. Step 5: Solve for x
    x = 9,236,988,115.09/104,770.42
  6. Step 6: Final answer
    x = 88,164.08

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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.