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Finding the Fourth Proportional to 63,494.90, 87,616.77 and 35,199.98

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Solution

The fourth proportional to 63,494.90, 87,616.77 and 35,199.98 is: 48,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,494.90 : 87,616.77 = 35,199.98 : x
  2. Step 2: Convert to fraction form
    63,494.90/87,616.77 = 35,199.98/x
  3. Step 3: Cross multiply
    63,494.90x = 87,616.77 × 35,199.98
  4. Step 4: Simplify right side
    63,494.90x = 3,084,108,551.66
  5. Step 5: Solve for x
    x = 3,084,108,551.66/63,494.90
  6. Step 6: Final answer
    x = 48,572.54

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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.