Home / 61,189.56-91,773.36-16,810.47

Finding the Fourth Proportional to 61,189.56, 91,773.36 and 16,810.47

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Solution

The fourth proportional to 61,189.56, 91,773.36 and 16,810.47 is: 25,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.56 : 91,773.36 = 16,810.47 : x
  2. Step 2: Convert to fraction form
    61,189.56/91,773.36 = 16,810.47/x
  3. Step 3: Cross multiply
    61,189.56x = 91,773.36 × 16,810.47
  4. Step 4: Simplify right side
    61,189.56x = 1,542,753,315.08
  5. Step 5: Solve for x
    x = 1,542,753,315.08/61,189.56
  6. Step 6: Final answer
    x = 25,212.69

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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.