Home / 68,870.44-95,030.58-40,189.96

Finding the Fourth Proportional to 68,870.44, 95,030.58 and 40,189.96

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Solution

The fourth proportional to 68,870.44, 95,030.58 and 40,189.96 is: 55,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870.44 : 95,030.58 = 40,189.96 : x
  2. Step 2: Convert to fraction form
    68,870.44/95,030.58 = 40,189.96/x
  3. Step 3: Cross multiply
    68,870.44x = 95,030.58 × 40,189.96
  4. Step 4: Simplify right side
    68,870.44x = 3,819,275,208.98
  5. Step 5: Solve for x
    x = 3,819,275,208.98/68,870.44
  6. Step 6: Final answer
    x = 55,455.94

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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.