Home / 76,008.43-113,979.84-29,228.50

Finding the Fourth Proportional to 76,008.43, 113,979.84 and 29,228.50

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Solution

The fourth proportional to 76,008.43, 113,979.84 and 29,228.50 is: 43,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,008.43 : 113,979.84 = 29,228.50 : x
  2. Step 2: Convert to fraction form
    76,008.43/113,979.84 = 29,228.50/x
  3. Step 3: Cross multiply
    76,008.43x = 113,979.84 × 29,228.50
  4. Step 4: Simplify right side
    76,008.43x = 3,331,459,753.44
  5. Step 5: Solve for x
    x = 3,331,459,753.44/76,008.43
  6. Step 6: Final answer
    x = 43,830.14

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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.