Home / 82,001.40-123,002.10-44,676.60

Finding the Fourth Proportional to 82,001.40, 123,002.10 and 44,676.60

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Solution

The fourth proportional to 82,001.40, 123,002.10 and 44,676.60 is: 67,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001.40 : 123,002.10 = 44,676.60 : x
  2. Step 2: Convert to fraction form
    82,001.40/123,002.10 = 44,676.60/x
  3. Step 3: Cross multiply
    82,001.40x = 123,002.10 × 44,676.60
  4. Step 4: Simplify right side
    82,001.40x = 5,495,315,620.86
  5. Step 5: Solve for x
    x = 5,495,315,620.86/82,001.40
  6. Step 6: Final answer
    x = 67,014.90

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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.