Home / 94,987.80-131,099.31-54,724.86

Finding the Fourth Proportional to 94,987.80, 131,099.31 and 54,724.86

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Solution

The fourth proportional to 94,987.80, 131,099.31 and 54,724.86 is: 75,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,987.80 : 131,099.31 = 54,724.86 : x
  2. Step 2: Convert to fraction form
    94,987.80/131,099.31 = 54,724.86/x
  3. Step 3: Cross multiply
    94,987.80x = 131,099.31 × 54,724.86
  4. Step 4: Simplify right side
    94,987.80x = 7,174,391,385.85
  5. Step 5: Solve for x
    x = 7,174,391,385.85/94,987.80
  6. Step 6: Final answer
    x = 75,529.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.