Home / 113,310.96-169,732.98-66,450.84

Finding the Fourth Proportional to 113,310.96, 169,732.98 and 66,450.84

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Solution

The fourth proportional to 113,310.96, 169,732.98 and 66,450.84 is: 99,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.96 : 169,732.98 = 66,450.84 : x
  2. Step 2: Convert to fraction form
    113,310.96/169,732.98 = 66,450.84/x
  3. Step 3: Cross multiply
    113,310.96x = 169,732.98 × 66,450.84
  4. Step 4: Simplify right side
    113,310.96x = 11,278,899,096.70
  5. Step 5: Solve for x
    x = 11,278,899,096.70/113,310.96
  6. Step 6: Final answer
    x = 99,539.35

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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.