Home / 82,002.10-122,883.47-36,354.73

Finding the Fourth Proportional to 82,002.10, 122,883.47 and 36,354.73

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Solution

The fourth proportional to 82,002.10, 122,883.47 and 36,354.73 is: 54,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,002.10 : 122,883.47 = 36,354.73 : x
  2. Step 2: Convert to fraction form
    82,002.10/122,883.47 = 36,354.73/x
  3. Step 3: Cross multiply
    82,002.10x = 122,883.47 × 36,354.73
  4. Step 4: Simplify right side
    82,002.10x = 4,467,394,577.12
  5. Step 5: Solve for x
    x = 4,467,394,577.12/82,002.10
  6. Step 6: Final answer
    x = 54,479.03

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1.5x scale

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.