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Finding the Fourth Proportional to 76,633.84, 114,801.30 and 43,252.92

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Solution

The fourth proportional to 76,633.84, 114,801.30 and 43,252.92 is: 64,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,633.84 : 114,801.30 = 43,252.92 : x
  2. Step 2: Convert to fraction form
    76,633.84/114,801.30 = 43,252.92/x
  3. Step 3: Cross multiply
    76,633.84x = 114,801.30 × 43,252.92
  4. Step 4: Simplify right side
    76,633.84x = 4,965,491,444.80
  5. Step 5: Solve for x
    x = 4,965,491,444.80/76,633.84
  6. Step 6: Final answer
    x = 64,795.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.