Home / 77,201.22-106,563.96-45,379.56

Finding the Fourth Proportional to 77,201.22, 106,563.96 and 45,379.56

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Solution

The fourth proportional to 77,201.22, 106,563.96 and 45,379.56 is: 62,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201.22 : 106,563.96 = 45,379.56 : x
  2. Step 2: Convert to fraction form
    77,201.22/106,563.96 = 45,379.56/x
  3. Step 3: Cross multiply
    77,201.22x = 106,563.96 × 45,379.56
  4. Step 4: Simplify right side
    77,201.22x = 4,835,825,616.66
  5. Step 5: Solve for x
    x = 4,835,825,616.66/77,201.22
  6. Step 6: Final answer
    x = 62,639.24

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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.