Home / 76,934.88-115,098.66-58,268.70

Finding the Fourth Proportional to 76,934.88, 115,098.66 and 58,268.70

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Solution

The fourth proportional to 76,934.88, 115,098.66 and 58,268.70 is: 87,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.88 : 115,098.66 = 58,268.70 : x
  2. Step 2: Convert to fraction form
    76,934.88/115,098.66 = 58,268.70/x
  3. Step 3: Cross multiply
    76,934.88x = 115,098.66 × 58,268.70
  4. Step 4: Simplify right side
    76,934.88x = 6,706,649,289.94
  5. Step 5: Solve for x
    x = 6,706,649,289.94/76,934.88
  6. Step 6: Final answer
    x = 87,173.06

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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.