Home / 52,538.72-78,804.87-16,999.28

Finding the Fourth Proportional to 52,538.72, 78,804.87 and 16,999.28

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Solution

The fourth proportional to 52,538.72, 78,804.87 and 16,999.28 is: 25,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,538.72 : 78,804.87 = 16,999.28 : x
  2. Step 2: Convert to fraction form
    52,538.72/78,804.87 = 16,999.28/x
  3. Step 3: Cross multiply
    52,538.72x = 78,804.87 × 16,999.28
  4. Step 4: Simplify right side
    52,538.72x = 1,339,625,656.47
  5. Step 5: Solve for x
    x = 1,339,625,656.47/52,538.72
  6. Step 6: Final answer
    x = 25,497.88

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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.