Home / 82,156.96-123,235.44-19,827.46

Finding the Fourth Proportional to 82,156.96, 123,235.44 and 19,827.46

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Solution

The fourth proportional to 82,156.96, 123,235.44 and 19,827.46 is: 29,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,156.96 : 123,235.44 = 19,827.46 : x
  2. Step 2: Convert to fraction form
    82,156.96/123,235.44 = 19,827.46/x
  3. Step 3: Cross multiply
    82,156.96x = 123,235.44 × 19,827.46
  4. Step 4: Simplify right side
    82,156.96x = 2,443,445,757.18
  5. Step 5: Solve for x
    x = 2,443,445,757.18/82,156.96
  6. Step 6: Final answer
    x = 29,741.19

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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.