Home / 55,195.58-76,149.96-31,308.41

Finding the Fourth Proportional to 55,195.58, 76,149.96 and 31,308.41

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Solution

The fourth proportional to 55,195.58, 76,149.96 and 31,308.41 is: 43,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.58 : 76,149.96 = 31,308.41 : x
  2. Step 2: Convert to fraction form
    55,195.58/76,149.96 = 31,308.41/x
  3. Step 3: Cross multiply
    55,195.58x = 76,149.96 × 31,308.41
  4. Step 4: Simplify right side
    55,195.58x = 2,384,134,169.16
  5. Step 5: Solve for x
    x = 2,384,134,169.16/55,195.58
  6. Step 6: Final answer
    x = 43,194.30

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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.