Home / 54,200.16-81,312.72-29,239.68

Finding the Fourth Proportional to 54,200.16, 81,312.72 and 29,239.68

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Solution

The fourth proportional to 54,200.16, 81,312.72 and 29,239.68 is: 43,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,200.16 : 81,312.72 = 29,239.68 : x
  2. Step 2: Convert to fraction form
    54,200.16/81,312.72 = 29,239.68/x
  3. Step 3: Cross multiply
    54,200.16x = 81,312.72 × 29,239.68
  4. Step 4: Simplify right side
    54,200.16x = 2,377,557,912.73
  5. Step 5: Solve for x
    x = 2,377,557,912.73/54,200.16
  6. Step 6: Final answer
    x = 43,866.25

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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.