Home / 61,899.20-85,420.66-33,604.88

Finding the Fourth Proportional to 61,899.20, 85,420.66 and 33,604.88

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Solution

The fourth proportional to 61,899.20, 85,420.66 and 33,604.88 is: 46,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.20 : 85,420.66 = 33,604.88 : x
  2. Step 2: Convert to fraction form
    61,899.20/85,420.66 = 33,604.88/x
  3. Step 3: Cross multiply
    61,899.20x = 85,420.66 × 33,604.88
  4. Step 4: Simplify right side
    61,899.20x = 2,870,551,028.82
  5. Step 5: Solve for x
    x = 2,870,551,028.82/61,899.20
  6. Step 6: Final answer
    x = 46,374.61

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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.