Home / 94,986.72-131,077.80-54,702

Finding the Fourth Proportional to 94,986.72, 131,077.80 and 54,702

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Solution

The fourth proportional to 94,986.72, 131,077.80 and 54,702 is: 75,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,986.72 : 131,077.80 = 54,702 : x
  2. Step 2: Convert to fraction form
    94,986.72/131,077.80 = 54,702/x
  3. Step 3: Cross multiply
    94,986.72x = 131,077.80 × 54,702
  4. Step 4: Simplify right side
    94,986.72x = 7,170,217,815.60
  5. Step 5: Solve for x
    x = 7,170,217,815.60/94,986.72
  6. Step 6: Final answer
    x = 75,486.53

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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.