Home / 82,051.72-123,072.54-32,122.60

Finding the Fourth Proportional to 82,051.72, 123,072.54 and 32,122.60

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Solution

The fourth proportional to 82,051.72, 123,072.54 and 32,122.60 is: 48,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,051.72 : 123,072.54 = 32,122.60 : x
  2. Step 2: Convert to fraction form
    82,051.72/123,072.54 = 32,122.60/x
  3. Step 3: Cross multiply
    82,051.72x = 123,072.54 × 32,122.60
  4. Step 4: Simplify right side
    82,051.72x = 3,953,409,973.40
  5. Step 5: Solve for x
    x = 3,953,409,973.40/82,051.72
  6. Step 6: Final answer
    x = 48,181.93

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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.