Home / 76,636.35-114,805.02-43,255.44

Finding the Fourth Proportional to 76,636.35, 114,805.02 and 43,255.44

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Solution

The fourth proportional to 76,636.35, 114,805.02 and 43,255.44 is: 64,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636.35 : 114,805.02 = 43,255.44 : x
  2. Step 2: Convert to fraction form
    76,636.35/114,805.02 = 43,255.44/x
  3. Step 3: Cross multiply
    76,636.35x = 114,805.02 × 43,255.44
  4. Step 4: Simplify right side
    76,636.35x = 4,965,941,654.31
  5. Step 5: Solve for x
    x = 4,965,941,654.31/76,636.35
  6. Step 6: Final answer
    x = 64,798.78

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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.