Home / 51,239.62-76,888.23-27,867.70

Finding the Fourth Proportional to 51,239.62, 76,888.23 and 27,867.70

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Solution

The fourth proportional to 51,239.62, 76,888.23 and 27,867.70 is: 41,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.62 : 76,888.23 = 27,867.70 : x
  2. Step 2: Convert to fraction form
    51,239.62/76,888.23 = 27,867.70/x
  3. Step 3: Cross multiply
    51,239.62x = 76,888.23 × 27,867.70
  4. Step 4: Simplify right side
    51,239.62x = 2,142,698,127.17
  5. Step 5: Solve for x
    x = 2,142,698,127.17/51,239.62
  6. Step 6: Final answer
    x = 41,817.21

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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.