Home / 75,286.56-112,966.56-30,926.64

Finding the Fourth Proportional to 75,286.56, 112,966.56 and 30,926.64

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Solution

The fourth proportional to 75,286.56, 112,966.56 and 30,926.64 is: 46,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.56 : 112,966.56 = 30,926.64 : x
  2. Step 2: Convert to fraction form
    75,286.56/112,966.56 = 30,926.64/x
  3. Step 3: Cross multiply
    75,286.56x = 112,966.56 × 30,926.64
  4. Step 4: Simplify right side
    75,286.56x = 3,493,676,133.16
  5. Step 5: Solve for x
    x = 3,493,676,133.16/75,286.56
  6. Step 6: Final answer
    x = 46,405.04

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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.