Home / 121,679.21-182,521.65-41,716.52

Finding the Fourth Proportional to 121,679.21, 182,521.65 and 41,716.52

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Solution

The fourth proportional to 121,679.21, 182,521.65 and 41,716.52 is: 62,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,679.21 : 182,521.65 = 41,716.52 : x
  2. Step 2: Convert to fraction form
    121,679.21/182,521.65 = 41,716.52/x
  3. Step 3: Cross multiply
    121,679.21x = 182,521.65 × 41,716.52
  4. Step 4: Simplify right side
    121,679.21x = 7,614,167,990.94
  5. Step 5: Solve for x
    x = 7,614,167,990.94/121,679.21
  6. Step 6: Final answer
    x = 62,575.75

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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.