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Finding the Fourth Proportional to 63,651.77, 87,840.91 and 34,973.22

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Solution

The fourth proportional to 63,651.77, 87,840.91 and 34,973.22 is: 48,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,651.77 : 87,840.91 = 34,973.22 : x
  2. Step 2: Convert to fraction form
    63,651.77/87,840.91 = 34,973.22/x
  3. Step 3: Cross multiply
    63,651.77x = 87,840.91 × 34,973.22
  4. Step 4: Simplify right side
    63,651.77x = 3,072,079,470.43
  5. Step 5: Solve for x
    x = 3,072,079,470.43/63,651.77
  6. Step 6: Final answer
    x = 48,263.85

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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.