Home / 51,165.12-76,766.04-17,894.34

Finding the Fourth Proportional to 51,165.12, 76,766.04 and 17,894.34

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Solution

The fourth proportional to 51,165.12, 76,766.04 and 17,894.34 is: 26,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.12 : 76,766.04 = 17,894.34 : x
  2. Step 2: Convert to fraction form
    51,165.12/76,766.04 = 17,894.34/x
  3. Step 3: Cross multiply
    51,165.12x = 76,766.04 × 17,894.34
  4. Step 4: Simplify right side
    51,165.12x = 1,373,677,620.21
  5. Step 5: Solve for x
    x = 1,373,677,620.21/51,165.12
  6. Step 6: Final answer
    x = 26,847.93

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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.