Home / 94,978.97-131,670.36-89,922.95

Finding the Fourth Proportional to 94,978.97, 131,670.36 and 89,922.95

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Solution

The fourth proportional to 94,978.97, 131,670.36 and 89,922.95 is: 124,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,978.97 : 131,670.36 = 89,922.95 : x
  2. Step 2: Convert to fraction form
    94,978.97/131,670.36 = 89,922.95/x
  3. Step 3: Cross multiply
    94,978.97x = 131,670.36 × 89,922.95
  4. Step 4: Simplify right side
    94,978.97x = 11,840,186,540.41
  5. Step 5: Solve for x
    x = 11,840,186,540.41/94,978.97
  6. Step 6: Final answer
    x = 124,661.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.