Home / 54,619.20-81,812.16-33,779.52

Finding the Fourth Proportional to 54,619.20, 81,812.16 and 33,779.52

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Solution

The fourth proportional to 54,619.20, 81,812.16 and 33,779.52 is: 50,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.20 : 81,812.16 = 33,779.52 : x
  2. Step 2: Convert to fraction form
    54,619.20/81,812.16 = 33,779.52/x
  3. Step 3: Cross multiply
    54,619.20x = 81,812.16 × 33,779.52
  4. Step 4: Simplify right side
    54,619.20x = 2,763,575,494.96
  5. Step 5: Solve for x
    x = 2,763,575,494.96/54,619.20
  6. Step 6: Final answer
    x = 50,597.14

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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.