Home / 51,845.11-77,861.35-47,677.43

Finding the Fourth Proportional to 51,845.11, 77,861.35 and 47,677.43

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Solution

The fourth proportional to 51,845.11, 77,861.35 and 47,677.43 is: 71,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,845.11 : 77,861.35 = 47,677.43 : x
  2. Step 2: Convert to fraction form
    51,845.11/77,861.35 = 47,677.43/x
  3. Step 3: Cross multiply
    51,845.11x = 77,861.35 × 47,677.43
  4. Step 4: Simplify right side
    51,845.11x = 3,712,228,825.94
  5. Step 5: Solve for x
    x = 3,712,228,825.94/51,845.11
  6. Step 6: Final answer
    x = 71,602.29

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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.