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Finding the Fourth Proportional to 63,381.69, 87,466.43 and 34,309.98

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Solution

The fourth proportional to 63,381.69, 87,466.43 and 34,309.98 is: 47,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,381.69 : 87,466.43 = 34,309.98 : x
  2. Step 2: Convert to fraction form
    63,381.69/87,466.43 = 34,309.98/x
  3. Step 3: Cross multiply
    63,381.69x = 87,466.43 × 34,309.98
  4. Step 4: Simplify right side
    63,381.69x = 3,000,971,549.75
  5. Step 5: Solve for x
    x = 3,000,971,549.75/63,381.69
  6. Step 6: Final answer
    x = 47,347.61

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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.