Home / 79,654.12-119,554.98-40,238.98

Finding the Fourth Proportional to 79,654.12, 119,554.98 and 40,238.98

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Solution

The fourth proportional to 79,654.12, 119,554.98 and 40,238.98 is: 60,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654.12 : 119,554.98 = 40,238.98 : x
  2. Step 2: Convert to fraction form
    79,654.12/119,554.98 = 40,238.98/x
  3. Step 3: Cross multiply
    79,654.12x = 119,554.98 × 40,238.98
  4. Step 4: Simplify right side
    79,654.12x = 4,810,770,449.12
  5. Step 5: Solve for x
    x = 4,810,770,449.12/79,654.12
  6. Step 6: Final answer
    x = 60,395.75

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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.