Home / 82,266.40-123,380.16-35,493.76

Finding the Fourth Proportional to 82,266.40, 123,380.16 and 35,493.76

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Solution

The fourth proportional to 82,266.40, 123,380.16 and 35,493.76 is: 53,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,266.40 : 123,380.16 = 35,493.76 : x
  2. Step 2: Convert to fraction form
    82,266.40/123,380.16 = 35,493.76/x
  3. Step 3: Cross multiply
    82,266.40x = 123,380.16 × 35,493.76
  4. Step 4: Simplify right side
    82,266.40x = 4,379,225,787.80
  5. Step 5: Solve for x
    x = 4,379,225,787.80/82,266.40
  6. Step 6: Final answer
    x = 53,232.25

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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.