Home / 76,788.02-115,103.12-29,392

Finding the Fourth Proportional to 76,788.02, 115,103.12 and 29,392

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Solution

The fourth proportional to 76,788.02, 115,103.12 and 29,392 is: 44,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,788.02 : 115,103.12 = 29,392 : x
  2. Step 2: Convert to fraction form
    76,788.02/115,103.12 = 29,392/x
  3. Step 3: Cross multiply
    76,788.02x = 115,103.12 × 29,392
  4. Step 4: Simplify right side
    76,788.02x = 3,383,110,903.04
  5. Step 5: Solve for x
    x = 3,383,110,903.04/76,788.02
  6. Step 6: Final answer
    x = 44,057.80

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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.