Home / 66,427.82-99,201.42-58,379.66

Finding the Fourth Proportional to 66,427.82, 99,201.42 and 58,379.66

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Solution

The fourth proportional to 66,427.82, 99,201.42 and 58,379.66 is: 87,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.82 : 99,201.42 = 58,379.66 : x
  2. Step 2: Convert to fraction form
    66,427.82/99,201.42 = 58,379.66/x
  3. Step 3: Cross multiply
    66,427.82x = 99,201.42 × 58,379.66
  4. Step 4: Simplify right side
    66,427.82x = 5,791,345,171.12
  5. Step 5: Solve for x
    x = 5,791,345,171.12/66,427.82
  6. Step 6: Final answer
    x = 87,182.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.