Home / 55,198.36-76,169.39-31,325.03

Finding the Fourth Proportional to 55,198.36, 76,169.39 and 31,325.03

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Solution

The fourth proportional to 55,198.36, 76,169.39 and 31,325.03 is: 43,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198.36 : 76,169.39 = 31,325.03 : x
  2. Step 2: Convert to fraction form
    55,198.36/76,169.39 = 31,325.03/x
  3. Step 3: Cross multiply
    55,198.36x = 76,169.39 × 31,325.03
  4. Step 4: Simplify right side
    55,198.36x = 2,386,008,460.63
  5. Step 5: Solve for x
    x = 2,386,008,460.63/55,198.36
  6. Step 6: Final answer
    x = 43,226.08

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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.