Home / 76,043.20-113,984.16-29,275.84

Finding the Fourth Proportional to 76,043.20, 113,984.16 and 29,275.84

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Solution

The fourth proportional to 76,043.20, 113,984.16 and 29,275.84 is: 43,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,043.20 : 113,984.16 = 29,275.84 : x
  2. Step 2: Convert to fraction form
    76,043.20/113,984.16 = 29,275.84/x
  3. Step 3: Cross multiply
    76,043.20x = 113,984.16 × 29,275.84
  4. Step 4: Simplify right side
    76,043.20x = 3,336,982,030.69
  5. Step 5: Solve for x
    x = 3,336,982,030.69/76,043.20
  6. Step 6: Final answer
    x = 43,882.71

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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.