Home / 76,926.60-115,422.30-41,891.40

Finding the Fourth Proportional to 76,926.60, 115,422.30 and 41,891.40

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Solution

The fourth proportional to 76,926.60, 115,422.30 and 41,891.40 is: 62,854.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926.60 : 115,422.30 = 41,891.40 : x
  2. Step 2: Convert to fraction form
    76,926.60/115,422.30 = 41,891.40/x
  3. Step 3: Cross multiply
    76,926.60x = 115,422.30 × 41,891.40
  4. Step 4: Simplify right side
    76,926.60x = 4,835,201,738.22
  5. Step 5: Solve for x
    x = 4,835,201,738.22/76,926.60
  6. Step 6: Final answer
    x = 62,854.74

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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.