Home / 75,832.68-113,782.13-29,118.36

Finding the Fourth Proportional to 75,832.68, 113,782.13 and 29,118.36

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Solution

The fourth proportional to 75,832.68, 113,782.13 and 29,118.36 is: 43,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,832.68 : 113,782.13 = 29,118.36 : x
  2. Step 2: Convert to fraction form
    75,832.68/113,782.13 = 29,118.36/x
  3. Step 3: Cross multiply
    75,832.68x = 113,782.13 × 29,118.36
  4. Step 4: Simplify right side
    75,832.68x = 3,313,149,022.91
  5. Step 5: Solve for x
    x = 3,313,149,022.91/75,832.68
  6. Step 6: Final answer
    x = 43,690.25

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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.