Home / 63,108.48-87,086.43-39,234.75

Finding the Fourth Proportional to 63,108.48, 87,086.43 and 39,234.75

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Solution

The fourth proportional to 63,108.48, 87,086.43 and 39,234.75 is: 54,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.48 : 87,086.43 = 39,234.75 : x
  2. Step 2: Convert to fraction form
    63,108.48/87,086.43 = 39,234.75/x
  3. Step 3: Cross multiply
    63,108.48x = 87,086.43 × 39,234.75
  4. Step 4: Simplify right side
    63,108.48x = 3,416,814,309.44
  5. Step 5: Solve for x
    x = 3,416,814,309.44/63,108.48
  6. Step 6: Final answer
    x = 54,141.92

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1.5x scale

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.