Home / 68,680.24-94,770.88-38,461.36

Finding the Fourth Proportional to 68,680.24, 94,770.88 and 38,461.36

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Solution

The fourth proportional to 68,680.24, 94,770.88 and 38,461.36 is: 53,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680.24 : 94,770.88 = 38,461.36 : x
  2. Step 2: Convert to fraction form
    68,680.24/94,770.88 = 38,461.36/x
  3. Step 3: Cross multiply
    68,680.24x = 94,770.88 × 38,461.36
  4. Step 4: Simplify right side
    68,680.24x = 3,645,016,933.20
  5. Step 5: Solve for x
    x = 3,645,016,933.20/68,680.24
  6. Step 6: Final answer
    x = 53,072.28

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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.