Home / 55,820.52-83,742.30-18,382.82

Finding the Fourth Proportional to 55,820.52, 83,742.30 and 18,382.82

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Solution

The fourth proportional to 55,820.52, 83,742.30 and 18,382.82 is: 27,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,820.52 : 83,742.30 = 18,382.82 : x
  2. Step 2: Convert to fraction form
    55,820.52/83,742.30 = 18,382.82/x
  3. Step 3: Cross multiply
    55,820.52x = 83,742.30 × 18,382.82
  4. Step 4: Simplify right side
    55,820.52x = 1,539,419,627.29
  5. Step 5: Solve for x
    x = 1,539,419,627.29/55,820.52
  6. Step 6: Final answer
    x = 27,578.02

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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.