Home / 76,044.20-113,985.66-29,276.84

Finding the Fourth Proportional to 76,044.20, 113,985.66 and 29,276.84

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Solution

The fourth proportional to 76,044.20, 113,985.66 and 29,276.84 is: 43,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.20 : 113,985.66 = 29,276.84 : x
  2. Step 2: Convert to fraction form
    76,044.20/113,985.66 = 29,276.84/x
  3. Step 3: Cross multiply
    76,044.20x = 113,985.66 × 29,276.84
  4. Step 4: Simplify right side
    76,044.20x = 3,337,139,930.11
  5. Step 5: Solve for x
    x = 3,337,139,930.11/76,044.20
  6. Step 6: Final answer
    x = 43,884.21

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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.