Home / 51,768.72-77,654.81-14,325.66

Finding the Fourth Proportional to 51,768.72, 77,654.81 and 14,325.66

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Solution

The fourth proportional to 51,768.72, 77,654.81 and 14,325.66 is: 21,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.72 : 77,654.81 = 14,325.66 : x
  2. Step 2: Convert to fraction form
    51,768.72/77,654.81 = 14,325.66/x
  3. Step 3: Cross multiply
    51,768.72x = 77,654.81 × 14,325.66
  4. Step 4: Simplify right side
    51,768.72x = 1,112,456,405.42
  5. Step 5: Solve for x
    x = 1,112,456,405.42/51,768.72
  6. Step 6: Final answer
    x = 21,488.97

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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.