Home / 94,987.72-131,079.18-54,703

Finding the Fourth Proportional to 94,987.72, 131,079.18 and 54,703

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Solution

The fourth proportional to 94,987.72, 131,079.18 and 54,703 is: 75,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,987.72 : 131,079.18 = 54,703 : x
  2. Step 2: Convert to fraction form
    94,987.72/131,079.18 = 54,703/x
  3. Step 3: Cross multiply
    94,987.72x = 131,079.18 × 54,703
  4. Step 4: Simplify right side
    94,987.72x = 7,170,424,383.54
  5. Step 5: Solve for x
    x = 7,170,424,383.54/94,987.72
  6. Step 6: Final answer
    x = 75,487.91

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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.