Home / 57,348.40-85,983.30-29,213.98

Finding the Fourth Proportional to 57,348.40, 85,983.30 and 29,213.98

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Solution

The fourth proportional to 57,348.40, 85,983.30 and 29,213.98 is: 43,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,348.40 : 85,983.30 = 29,213.98 : x
  2. Step 2: Convert to fraction form
    57,348.40/85,983.30 = 29,213.98/x
  3. Step 3: Cross multiply
    57,348.40x = 85,983.30 × 29,213.98
  4. Step 4: Simplify right side
    57,348.40x = 2,511,914,406.53
  5. Step 5: Solve for x
    x = 2,511,914,406.53/57,348.40
  6. Step 6: Final answer
    x = 43,800.95

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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.