Home / 54,652.22-75,420.29-30,779.29

Finding the Fourth Proportional to 54,652.22, 75,420.29 and 30,779.29

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Solution

The fourth proportional to 54,652.22, 75,420.29 and 30,779.29 is: 42,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.22 : 75,420.29 = 30,779.29 : x
  2. Step 2: Convert to fraction form
    54,652.22/75,420.29 = 30,779.29/x
  3. Step 3: Cross multiply
    54,652.22x = 75,420.29 × 30,779.29
  4. Step 4: Simplify right side
    54,652.22x = 2,321,383,062.45
  5. Step 5: Solve for x
    x = 2,321,383,062.45/54,652.22
  6. Step 6: Final answer
    x = 42,475.55

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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.