Home / 162,620.66-243,906.68-56,021.42

Finding the Fourth Proportional to 162,620.66, 243,906.68 and 56,021.42

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Solution

The fourth proportional to 162,620.66, 243,906.68 and 56,021.42 is: 84,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,620.66 : 243,906.68 = 56,021.42 : x
  2. Step 2: Convert to fraction form
    162,620.66/243,906.68 = 56,021.42/x
  3. Step 3: Cross multiply
    162,620.66x = 243,906.68 × 56,021.42
  4. Step 4: Simplify right side
    162,620.66x = 13,663,998,561.09
  5. Step 5: Solve for x
    x = 13,663,998,561.09/162,620.66
  6. Step 6: Final answer
    x = 84,023.76

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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.