Home / 76,054.10-114,072.42-19,899.64

Finding the Fourth Proportional to 76,054.10, 114,072.42 and 19,899.64

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Solution

The fourth proportional to 76,054.10, 114,072.42 and 19,899.64 is: 29,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,054.10 : 114,072.42 = 19,899.64 : x
  2. Step 2: Convert to fraction form
    76,054.10/114,072.42 = 19,899.64/x
  3. Step 3: Cross multiply
    76,054.10x = 114,072.42 × 19,899.64
  4. Step 4: Simplify right side
    76,054.10x = 2,270,000,091.93
  5. Step 5: Solve for x
    x = 2,270,000,091.93/76,054.10
  6. Step 6: Final answer
    x = 29,847.18

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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.