Home / 61,221.26-91,821.12-16,837.32

Finding the Fourth Proportional to 61,221.26, 91,821.12 and 16,837.32

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Solution

The fourth proportional to 61,221.26, 91,821.12 and 16,837.32 is: 25,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221.26 : 91,821.12 = 16,837.32 : x
  2. Step 2: Convert to fraction form
    61,221.26/91,821.12 = 16,837.32/x
  3. Step 3: Cross multiply
    61,221.26x = 91,821.12 × 16,837.32
  4. Step 4: Simplify right side
    61,221.26x = 1,546,021,580.20
  5. Step 5: Solve for x
    x = 1,546,021,580.20/61,221.26
  6. Step 6: Final answer
    x = 25,253.02

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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.