Home / 54,869.75-75,720.27-29,719.25

Finding the Fourth Proportional to 54,869.75, 75,720.27 and 29,719.25

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Solution

The fourth proportional to 54,869.75, 75,720.27 and 29,719.25 is: 41,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.75 : 75,720.27 = 29,719.25 : x
  2. Step 2: Convert to fraction form
    54,869.75/75,720.27 = 29,719.25/x
  3. Step 3: Cross multiply
    54,869.75x = 75,720.27 × 29,719.25
  4. Step 4: Simplify right side
    54,869.75x = 2,250,349,634.20
  5. Step 5: Solve for x
    x = 2,250,349,634.20/54,869.75
  6. Step 6: Final answer
    x = 41,012.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.