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Finding the Fourth Proportional to 63,186.74, 87,197.88 and 34,506.66

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Solution

The fourth proportional to 63,186.74, 87,197.88 and 34,506.66 is: 47,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,186.74 : 87,197.88 = 34,506.66 : x
  2. Step 2: Convert to fraction form
    63,186.74/87,197.88 = 34,506.66/x
  3. Step 3: Cross multiply
    63,186.74x = 87,197.88 × 34,506.66
  4. Step 4: Simplify right side
    63,186.74x = 3,008,907,597.88
  5. Step 5: Solve for x
    x = 3,008,907,597.88/63,186.74
  6. Step 6: Final answer
    x = 47,619.29

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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.