Home / 61,820.39-85,311.14-34,961.90

Finding the Fourth Proportional to 61,820.39, 85,311.14 and 34,961.90

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Solution

The fourth proportional to 61,820.39, 85,311.14 and 34,961.90 is: 48,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820.39 : 85,311.14 = 34,961.90 : x
  2. Step 2: Convert to fraction form
    61,820.39/85,311.14 = 34,961.90/x
  3. Step 3: Cross multiply
    61,820.39x = 85,311.14 × 34,961.90
  4. Step 4: Simplify right side
    61,820.39x = 2,982,638,944.20
  5. Step 5: Solve for x
    x = 2,982,638,944.20/61,820.39
  6. Step 6: Final answer
    x = 48,246.85

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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.