Home / 76,929.60-115,406.30-32,556.60

Finding the Fourth Proportional to 76,929.60, 115,406.30 and 32,556.60

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Solution

The fourth proportional to 76,929.60, 115,406.30 and 32,556.60 is: 48,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,929.60 : 115,406.30 = 32,556.60 : x
  2. Step 2: Convert to fraction form
    76,929.60/115,406.30 = 32,556.60/x
  3. Step 3: Cross multiply
    76,929.60x = 115,406.30 × 32,556.60
  4. Step 4: Simplify right side
    76,929.60x = 3,757,236,746.58
  5. Step 5: Solve for x
    x = 3,757,236,746.58/76,929.60
  6. Step 6: Final answer
    x = 48,839.94

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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.