Home / 109,589.76-164,376.54-53,255.88

Finding the Fourth Proportional to 109,589.76, 164,376.54 and 53,255.88

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Solution

The fourth proportional to 109,589.76, 164,376.54 and 53,255.88 is: 79,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,589.76 : 164,376.54 = 53,255.88 : x
  2. Step 2: Convert to fraction form
    109,589.76/164,376.54 = 53,255.88/x
  3. Step 3: Cross multiply
    109,589.76x = 164,376.54 × 53,255.88
  4. Step 4: Simplify right side
    109,589.76x = 8,754,017,289.06
  5. Step 5: Solve for x
    x = 8,754,017,289.06/109,589.76
  6. Step 6: Final answer
    x = 79,879.88

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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.