Home / 54,367.89-81,457.42-29,425.11

Finding the Fourth Proportional to 54,367.89, 81,457.42 and 29,425.11

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Solution

The fourth proportional to 54,367.89, 81,457.42 and 29,425.11 is: 44,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.89 : 81,457.42 = 29,425.11 : x
  2. Step 2: Convert to fraction form
    54,367.89/81,457.42 = 29,425.11/x
  3. Step 3: Cross multiply
    54,367.89x = 81,457.42 × 29,425.11
  4. Step 4: Simplify right side
    54,367.89x = 2,396,893,543.82
  5. Step 5: Solve for x
    x = 2,396,893,543.82/54,367.89
  6. Step 6: Final answer
    x = 44,086.57

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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.