Home / 75,911.58-113,742.72-25,964.43

Finding the Fourth Proportional to 75,911.58, 113,742.72 and 25,964.43

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Solution

The fourth proportional to 75,911.58, 113,742.72 and 25,964.43 is: 38,904.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.58 : 113,742.72 = 25,964.43 : x
  2. Step 2: Convert to fraction form
    75,911.58/113,742.72 = 25,964.43/x
  3. Step 3: Cross multiply
    75,911.58x = 113,742.72 × 25,964.43
  4. Step 4: Simplify right side
    75,911.58x = 2,953,264,891.45
  5. Step 5: Solve for x
    x = 2,953,264,891.45/75,911.58
  6. Step 6: Final answer
    x = 38,904.01

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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.