Home / 51,261.72-76,895.62-14,325.72

Finding the Fourth Proportional to 51,261.72, 76,895.62 and 14,325.72

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Solution

The fourth proportional to 51,261.72, 76,895.62 and 14,325.72 is: 21,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.72 : 76,895.62 = 14,325.72 : x
  2. Step 2: Convert to fraction form
    51,261.72/76,895.62 = 14,325.72/x
  3. Step 3: Cross multiply
    51,261.72x = 76,895.62 × 14,325.72
  4. Step 4: Simplify right side
    51,261.72x = 1,101,585,121.35
  5. Step 5: Solve for x
    x = 1,101,585,121.35/51,261.72
  6. Step 6: Final answer
    x = 21,489.43

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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.