Home / 115,621.10-173,431.65-36,743.30

Finding the Fourth Proportional to 115,621.10, 173,431.65 and 36,743.30

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Solution

The fourth proportional to 115,621.10, 173,431.65 and 36,743.30 is: 55,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,621.10 : 173,431.65 = 36,743.30 : x
  2. Step 2: Convert to fraction form
    115,621.10/173,431.65 = 36,743.30/x
  3. Step 3: Cross multiply
    115,621.10x = 173,431.65 × 36,743.30
  4. Step 4: Simplify right side
    115,621.10x = 6,372,451,145.45
  5. Step 5: Solve for x
    x = 6,372,451,145.45/115,621.10
  6. Step 6: Final answer
    x = 55,114.95

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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.