Home / 51,770.49-71,426.10-42,193.92

Finding the Fourth Proportional to 51,770.49, 71,426.10 and 42,193.92

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Solution

The fourth proportional to 51,770.49, 71,426.10 and 42,193.92 is: 58,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,770.49 : 71,426.10 = 42,193.92 : x
  2. Step 2: Convert to fraction form
    51,770.49/71,426.10 = 42,193.92/x
  3. Step 3: Cross multiply
    51,770.49x = 71,426.10 × 42,193.92
  4. Step 4: Simplify right side
    51,770.49x = 3,013,747,149.31
  5. Step 5: Solve for x
    x = 3,013,747,149.31/51,770.49
  6. Step 6: Final answer
    x = 58,213.61

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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.