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Finding the Fourth Proportional to 63,189.25, 87,199.34 and 41,652.77

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Solution

The fourth proportional to 63,189.25, 87,199.34 and 41,652.77 is: 57,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.25 : 87,199.34 = 41,652.77 : x
  2. Step 2: Convert to fraction form
    63,189.25/87,199.34 = 41,652.77/x
  3. Step 3: Cross multiply
    63,189.25x = 87,199.34 × 41,652.77
  4. Step 4: Simplify right side
    63,189.25x = 3,632,093,408.91
  5. Step 5: Solve for x
    x = 3,632,093,408.91/63,189.25
  6. Step 6: Final answer
    x = 57,479.61

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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.