Home / 75,682.88-113,421.28-35,695.64

Finding the Fourth Proportional to 75,682.88, 113,421.28 and 35,695.64

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Solution

The fourth proportional to 75,682.88, 113,421.28 and 35,695.64 is: 53,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.88 : 113,421.28 = 35,695.64 : x
  2. Step 2: Convert to fraction form
    75,682.88/113,421.28 = 35,695.64/x
  3. Step 3: Cross multiply
    75,682.88x = 113,421.28 × 35,695.64
  4. Step 4: Simplify right side
    75,682.88x = 4,048,645,179.22
  5. Step 5: Solve for x
    x = 4,048,645,179.22/75,682.88
  6. Step 6: Final answer
    x = 53,494.86

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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.