Home / 82,455.70-123,671.40-23,297.35

Finding the Fourth Proportional to 82,455.70, 123,671.40 and 23,297.35

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Solution

The fourth proportional to 82,455.70, 123,671.40 and 23,297.35 is: 34,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,455.70 : 123,671.40 = 23,297.35 : x
  2. Step 2: Convert to fraction form
    82,455.70/123,671.40 = 23,297.35/x
  3. Step 3: Cross multiply
    82,455.70x = 123,671.40 × 23,297.35
  4. Step 4: Simplify right side
    82,455.70x = 2,881,215,890.79
  5. Step 5: Solve for x
    x = 2,881,215,890.79/82,455.70
  6. Step 6: Final answer
    x = 34,942.59

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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.