Home / 75,633.12-113,401.08-36,189.36

Finding the Fourth Proportional to 75,633.12, 113,401.08 and 36,189.36

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Solution

The fourth proportional to 75,633.12, 113,401.08 and 36,189.36 is: 54,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.12 : 113,401.08 = 36,189.36 : x
  2. Step 2: Convert to fraction form
    75,633.12/113,401.08 = 36,189.36/x
  3. Step 3: Cross multiply
    75,633.12x = 113,401.08 × 36,189.36
  4. Step 4: Simplify right side
    75,633.12x = 4,103,912,508.51
  5. Step 5: Solve for x
    x = 4,103,912,508.51/75,633.12
  6. Step 6: Final answer
    x = 54,260.79

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1.5x scale

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.