Home / 45,770.88-68,667.28-19,102.04

Finding the Fourth Proportional to 45,770.88, 68,667.28 and 19,102.04

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Solution

The fourth proportional to 45,770.88, 68,667.28 and 19,102.04 is: 28,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.88 : 68,667.28 = 19,102.04 : x
  2. Step 2: Convert to fraction form
    45,770.88/68,667.28 = 19,102.04/x
  3. Step 3: Cross multiply
    45,770.88x = 68,667.28 × 19,102.04
  4. Step 4: Simplify right side
    45,770.88x = 1,311,685,129.25
  5. Step 5: Solve for x
    x = 1,311,685,129.25/45,770.88
  6. Step 6: Final answer
    x = 28,657.63

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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.