Home / 76,950.36-115,466.15-54,605.43

Finding the Fourth Proportional to 76,950.36, 115,466.15 and 54,605.43

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Solution

The fourth proportional to 76,950.36, 115,466.15 and 54,605.43 is: 81,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.36 : 115,466.15 = 54,605.43 : x
  2. Step 2: Convert to fraction form
    76,950.36/115,466.15 = 54,605.43/x
  3. Step 3: Cross multiply
    76,950.36x = 115,466.15 × 54,605.43
  4. Step 4: Simplify right side
    76,950.36x = 6,305,078,907.71
  5. Step 5: Solve for x
    x = 6,305,078,907.71/76,950.36
  6. Step 6: Final answer
    x = 81,936.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.