Home / 61,819.64-85,310.10-34,961.15

Finding the Fourth Proportional to 61,819.64, 85,310.10 and 34,961.15

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Solution

The fourth proportional to 61,819.64, 85,310.10 and 34,961.15 is: 48,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.64 : 85,310.10 = 34,961.15 : x
  2. Step 2: Convert to fraction form
    61,819.64/85,310.10 = 34,961.15/x
  3. Step 3: Cross multiply
    61,819.64x = 85,310.10 × 34,961.15
  4. Step 4: Simplify right side
    61,819.64x = 2,982,538,776.06
  5. Step 5: Solve for x
    x = 2,982,538,776.06/61,819.64
  6. Step 6: Final answer
    x = 48,245.82

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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.