Home / 76,929.48-115,401.60-24,339.60

Finding the Fourth Proportional to 76,929.48, 115,401.60 and 24,339.60

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Solution

The fourth proportional to 76,929.48, 115,401.60 and 24,339.60 is: 36,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,929.48 : 115,401.60 = 24,339.60 : x
  2. Step 2: Convert to fraction form
    76,929.48/115,401.60 = 24,339.60/x
  3. Step 3: Cross multiply
    76,929.48x = 115,401.60 × 24,339.60
  4. Step 4: Simplify right side
    76,929.48x = 2,808,828,783.36
  5. Step 5: Solve for x
    x = 2,808,828,783.36/76,929.48
  6. Step 6: Final answer
    x = 36,511.73

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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.