Home / 51,225.14-76,828.34-13,776.44

Finding the Fourth Proportional to 51,225.14, 76,828.34 and 13,776.44

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Solution

The fourth proportional to 51,225.14, 76,828.34 and 13,776.44 is: 20,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.14 : 76,828.34 = 13,776.44 : x
  2. Step 2: Convert to fraction form
    51,225.14/76,828.34 = 13,776.44/x
  3. Step 3: Cross multiply
    51,225.14x = 76,828.34 × 13,776.44
  4. Step 4: Simplify right side
    51,225.14x = 1,058,421,016.31
  5. Step 5: Solve for x
    x = 1,058,421,016.31/51,225.14
  6. Step 6: Final answer
    x = 20,662.14

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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.