Home / 54,870.25-75,720.96-29,719.75

Finding the Fourth Proportional to 54,870.25, 75,720.96 and 29,719.75

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Solution

The fourth proportional to 54,870.25, 75,720.96 and 29,719.75 is: 41,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.25 : 75,720.96 = 29,719.75 : x
  2. Step 2: Convert to fraction form
    54,870.25/75,720.96 = 29,719.75/x
  3. Step 3: Cross multiply
    54,870.25x = 75,720.96 × 29,719.75
  4. Step 4: Simplify right side
    54,870.25x = 2,250,408,000.96
  5. Step 5: Solve for x
    x = 2,250,408,000.96/54,870.25
  6. Step 6: Final answer
    x = 41,013.26

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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.