Home / 77,198.22-106,559.82-45,376.56

Finding the Fourth Proportional to 77,198.22, 106,559.82 and 45,376.56

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Solution

The fourth proportional to 77,198.22, 106,559.82 and 45,376.56 is: 62,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,198.22 : 106,559.82 = 45,376.56 : x
  2. Step 2: Convert to fraction form
    77,198.22/106,559.82 = 45,376.56/x
  3. Step 3: Cross multiply
    77,198.22x = 106,559.82 × 45,376.56
  4. Step 4: Simplify right side
    77,198.22x = 4,835,318,065.82
  5. Step 5: Solve for x
    x = 4,835,318,065.82/77,198.22
  6. Step 6: Final answer
    x = 62,635.10

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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.