Home / 51,918.66-77,869.47-14,481.27

Finding the Fourth Proportional to 51,918.66, 77,869.47 and 14,481.27

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Solution

The fourth proportional to 51,918.66, 77,869.47 and 14,481.27 is: 21,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.66 : 77,869.47 = 14,481.27 : x
  2. Step 2: Convert to fraction form
    51,918.66/77,869.47 = 14,481.27/x
  3. Step 3: Cross multiply
    51,918.66x = 77,869.47 × 14,481.27
  4. Step 4: Simplify right side
    51,918.66x = 1,127,648,819.83
  5. Step 5: Solve for x
    x = 1,127,648,819.83/51,918.66
  6. Step 6: Final answer
    x = 21,719.53

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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.