Home / 102,976.56-154,523.23-55,591.02

Finding the Fourth Proportional to 102,976.56, 154,523.23 and 55,591.02

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Solution

The fourth proportional to 102,976.56, 154,523.23 and 55,591.02 is: 83,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976.56 : 154,523.23 = 55,591.02 : x
  2. Step 2: Convert to fraction form
    102,976.56/154,523.23 = 55,591.02/x
  3. Step 3: Cross multiply
    102,976.56x = 154,523.23 × 55,591.02
  4. Step 4: Simplify right side
    102,976.56x = 8,590,103,830.42
  5. Step 5: Solve for x
    x = 8,590,103,830.42/102,976.56
  6. Step 6: Final answer
    x = 83,418.05

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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.