Home / 75,965.58-113,913.72-31,565.88

Finding the Fourth Proportional to 75,965.58, 113,913.72 and 31,565.88

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Solution

The fourth proportional to 75,965.58, 113,913.72 and 31,565.88 is: 47,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,965.58 : 113,913.72 = 31,565.88 : x
  2. Step 2: Convert to fraction form
    75,965.58/113,913.72 = 31,565.88/x
  3. Step 3: Cross multiply
    75,965.58x = 113,913.72 × 31,565.88
  4. Step 4: Simplify right side
    75,965.58x = 3,595,786,815.87
  5. Step 5: Solve for x
    x = 3,595,786,815.87/75,965.58
  6. Step 6: Final answer
    x = 47,334.42

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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.