Home / 113,985-170,898.48-50,771.61

Finding the Fourth Proportional to 113,985, 170,898.48 and 50,771.61

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Solution

The fourth proportional to 113,985, 170,898.48 and 50,771.61 is: 76,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,985 : 170,898.48 = 50,771.61 : x
  2. Step 2: Convert to fraction form
    113,985/170,898.48 = 50,771.61/x
  3. Step 3: Cross multiply
    113,985x = 170,898.48 × 50,771.61
  4. Step 4: Simplify right side
    113,985x = 8,676,790,976.15
  5. Step 5: Solve for x
    x = 8,676,790,976.15/113,985
  6. Step 6: Final answer
    x = 76,122.22

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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.