Home / 76,929.20-115,404.60-24,333.20

Finding the Fourth Proportional to 76,929.20, 115,404.60 and 24,333.20

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Solution

The fourth proportional to 76,929.20, 115,404.60 and 24,333.20 is: 36,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,929.20 : 115,404.60 = 24,333.20 : x
  2. Step 2: Convert to fraction form
    76,929.20/115,404.60 = 24,333.20/x
  3. Step 3: Cross multiply
    76,929.20x = 115,404.60 × 24,333.20
  4. Step 4: Simplify right side
    76,929.20x = 2,808,163,212.72
  5. Step 5: Solve for x
    x = 2,808,163,212.72/76,929.20
  6. Step 6: Final answer
    x = 36,503.22

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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.