Home / 62,820.20-94,241.84-20,702.76

Finding the Fourth Proportional to 62,820.20, 94,241.84 and 20,702.76

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Solution

The fourth proportional to 62,820.20, 94,241.84 and 20,702.76 is: 31,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.20 : 94,241.84 = 20,702.76 : x
  2. Step 2: Convert to fraction form
    62,820.20/94,241.84 = 20,702.76/x
  3. Step 3: Cross multiply
    62,820.20x = 94,241.84 × 20,702.76
  4. Step 4: Simplify right side
    62,820.20x = 1,951,066,091.96
  5. Step 5: Solve for x
    x = 1,951,066,091.96/62,820.20
  6. Step 6: Final answer
    x = 31,057.94

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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.