Home / 76,936.40-115,416.60-24,340.88

Finding the Fourth Proportional to 76,936.40, 115,416.60 and 24,340.88

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Solution

The fourth proportional to 76,936.40, 115,416.60 and 24,340.88 is: 36,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.40 : 115,416.60 = 24,340.88 : x
  2. Step 2: Convert to fraction form
    76,936.40/115,416.60 = 24,340.88/x
  3. Step 3: Cross multiply
    76,936.40x = 115,416.60 × 24,340.88
  4. Step 4: Simplify right side
    76,936.40x = 2,809,341,610.61
  5. Step 5: Solve for x
    x = 2,809,341,610.61/76,936.40
  6. Step 6: Final answer
    x = 36,515.12

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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.