Home / 109,319.10-164,051.55-50,124.30

Finding the Fourth Proportional to 109,319.10, 164,051.55 and 50,124.30

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Solution

The fourth proportional to 109,319.10, 164,051.55 and 50,124.30 is: 75,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.10 : 164,051.55 = 50,124.30 : x
  2. Step 2: Convert to fraction form
    109,319.10/164,051.55 = 50,124.30/x
  3. Step 3: Cross multiply
    109,319.10x = 164,051.55 × 50,124.30
  4. Step 4: Simplify right side
    109,319.10x = 8,222,969,107.67
  5. Step 5: Solve for x
    x = 8,222,969,107.67/109,319.10
  6. Step 6: Final answer
    x = 75,219.88

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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.