Home / 45,104.28-67,654.80-11,824.08

Finding the Fourth Proportional to 45,104.28, 67,654.80 and 11,824.08

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Solution

The fourth proportional to 45,104.28, 67,654.80 and 11,824.08 is: 17,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,104.28 : 67,654.80 = 11,824.08 : x
  2. Step 2: Convert to fraction form
    45,104.28/67,654.80 = 11,824.08/x
  3. Step 3: Cross multiply
    45,104.28x = 67,654.80 × 11,824.08
  4. Step 4: Simplify right side
    45,104.28x = 799,955,767.58
  5. Step 5: Solve for x
    x = 799,955,767.58/45,104.28
  6. Step 6: Final answer
    x = 17,735.70

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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.