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Finding the Fourth Proportional to 58,566.44, 87,757.68 and 45,272

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Solution

The fourth proportional to 58,566.44, 87,757.68 and 45,272 is: 67,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,566.44 : 87,757.68 = 45,272 : x
  2. Step 2: Convert to fraction form
    58,566.44/87,757.68 = 45,272/x
  3. Step 3: Cross multiply
    58,566.44x = 87,757.68 × 45,272
  4. Step 4: Simplify right side
    58,566.44x = 3,972,965,688.96
  5. Step 5: Solve for x
    x = 3,972,965,688.96/58,566.44
  6. Step 6: Final answer
    x = 67,836.90

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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.