Home / 47,813.55-71,654.70-30,251.94

Finding the Fourth Proportional to 47,813.55, 71,654.70 and 30,251.94

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Solution

The fourth proportional to 47,813.55, 71,654.70 and 30,251.94 is: 45,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,813.55 : 71,654.70 = 30,251.94 : x
  2. Step 2: Convert to fraction form
    47,813.55/71,654.70 = 30,251.94/x
  3. Step 3: Cross multiply
    47,813.55x = 71,654.70 × 30,251.94
  4. Step 4: Simplify right side
    47,813.55x = 2,167,693,685.12
  5. Step 5: Solve for x
    x = 2,167,693,685.12/47,813.55
  6. Step 6: Final answer
    x = 45,336.39

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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.