Home / 51,619.48-77,428.31-14,179.41

Finding the Fourth Proportional to 51,619.48, 77,428.31 and 14,179.41

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Solution

The fourth proportional to 51,619.48, 77,428.31 and 14,179.41 is: 21,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.48 : 77,428.31 = 14,179.41 : x
  2. Step 2: Convert to fraction form
    51,619.48/77,428.31 = 14,179.41/x
  3. Step 3: Cross multiply
    51,619.48x = 77,428.31 × 14,179.41
  4. Step 4: Simplify right side
    51,619.48x = 1,097,887,788.55
  5. Step 5: Solve for x
    x = 1,097,887,788.55/51,619.48
  6. Step 6: Final answer
    x = 21,268.86

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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.