Home / 79,983.47-119,962.90-26,676.39

Finding the Fourth Proportional to 79,983.47, 119,962.90 and 26,676.39

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Solution

The fourth proportional to 79,983.47, 119,962.90 and 26,676.39 is: 40,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.47 : 119,962.90 = 26,676.39 : x
  2. Step 2: Convert to fraction form
    79,983.47/119,962.90 = 26,676.39/x
  3. Step 3: Cross multiply
    79,983.47x = 119,962.90 × 26,676.39
  4. Step 4: Simplify right side
    79,983.47x = 3,200,176,972.55
  5. Step 5: Solve for x
    x = 3,200,176,972.55/79,983.47
  6. Step 6: Final answer
    x = 40,010.48

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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.