Home / 76,930.50-115,415.22-23,625.12

Finding the Fourth Proportional to 76,930.50, 115,415.22 and 23,625.12

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Solution

The fourth proportional to 76,930.50, 115,415.22 and 23,625.12 is: 35,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.50 : 115,415.22 = 23,625.12 : x
  2. Step 2: Convert to fraction form
    76,930.50/115,415.22 = 23,625.12/x
  3. Step 3: Cross multiply
    76,930.50x = 115,415.22 × 23,625.12
  4. Step 4: Simplify right side
    76,930.50x = 2,726,698,422.33
  5. Step 5: Solve for x
    x = 2,726,698,422.33/76,930.50
  6. Step 6: Final answer
    x = 35,443.66

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1.5x scale

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.