Home / 55,539.52-76,642.56-33,179.20

Finding the Fourth Proportional to 55,539.52, 76,642.56 and 33,179.20

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Solution

The fourth proportional to 55,539.52, 76,642.56 and 33,179.20 is: 45,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.52 : 76,642.56 = 33,179.20 : x
  2. Step 2: Convert to fraction form
    55,539.52/76,642.56 = 33,179.20/x
  3. Step 3: Cross multiply
    55,539.52x = 76,642.56 × 33,179.20
  4. Step 4: Simplify right side
    55,539.52x = 2,542,938,826.75
  5. Step 5: Solve for x
    x = 2,542,938,826.75/55,539.52
  6. Step 6: Final answer
    x = 45,786.11

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1.5x scale

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.