Home / 94,540.21-130,463.80-51,520.07

Finding the Fourth Proportional to 94,540.21, 130,463.80 and 51,520.07

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Solution

The fourth proportional to 94,540.21, 130,463.80 and 51,520.07 is: 71,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,540.21 : 130,463.80 = 51,520.07 : x
  2. Step 2: Convert to fraction form
    94,540.21/130,463.80 = 51,520.07/x
  3. Step 3: Cross multiply
    94,540.21x = 130,463.80 × 51,520.07
  4. Step 4: Simplify right side
    94,540.21x = 6,721,504,305.83
  5. Step 5: Solve for x
    x = 6,721,504,305.83/94,540.21
  6. Step 6: Final answer
    x = 71,096.78

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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.