Home / 61,716.04-85,167.92-33,421.80

Finding the Fourth Proportional to 61,716.04, 85,167.92 and 33,421.80

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Solution

The fourth proportional to 61,716.04, 85,167.92 and 33,421.80 is: 46,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.04 : 85,167.92 = 33,421.80 : x
  2. Step 2: Convert to fraction form
    61,716.04/85,167.92 = 33,421.80/x
  3. Step 3: Cross multiply
    61,716.04x = 85,167.92 × 33,421.80
  4. Step 4: Simplify right side
    61,716.04x = 2,846,465,188.66
  5. Step 5: Solve for x
    x = 2,846,465,188.66/61,716.04
  6. Step 6: Final answer
    x = 46,121.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.