Home / 82,464.48-123,696.36-29,861.64

Finding the Fourth Proportional to 82,464.48, 123,696.36 and 29,861.64

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Solution

The fourth proportional to 82,464.48, 123,696.36 and 29,861.64 is: 44,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,464.48 : 123,696.36 = 29,861.64 : x
  2. Step 2: Convert to fraction form
    82,464.48/123,696.36 = 29,861.64/x
  3. Step 3: Cross multiply
    82,464.48x = 123,696.36 × 29,861.64
  4. Step 4: Simplify right side
    82,464.48x = 3,693,776,171.63
  5. Step 5: Solve for x
    x = 3,693,776,171.63/82,464.48
  6. Step 6: Final answer
    x = 44,792.33

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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.