Home / 117,224.20-161,769.18-63,510.55

Finding the Fourth Proportional to 117,224.20, 161,769.18 and 63,510.55

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Solution

The fourth proportional to 117,224.20, 161,769.18 and 63,510.55 is: 87,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.20 : 161,769.18 = 63,510.55 : x
  2. Step 2: Convert to fraction form
    117,224.20/161,769.18 = 63,510.55/x
  3. Step 3: Cross multiply
    117,224.20x = 161,769.18 × 63,510.55
  4. Step 4: Simplify right side
    117,224.20x = 10,274,049,594.85
  5. Step 5: Solve for x
    x = 10,274,049,594.85/117,224.20
  6. Step 6: Final answer
    x = 87,644.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.