Home / 52,189.64-78,186.04-40,445.44

Finding the Fourth Proportional to 52,189.64, 78,186.04 and 40,445.44

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Solution

The fourth proportional to 52,189.64, 78,186.04 and 40,445.44 is: 60,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189.64 : 78,186.04 = 40,445.44 : x
  2. Step 2: Convert to fraction form
    52,189.64/78,186.04 = 40,445.44/x
  3. Step 3: Cross multiply
    52,189.64x = 78,186.04 × 40,445.44
  4. Step 4: Simplify right side
    52,189.64x = 3,162,268,789.66
  5. Step 5: Solve for x
    x = 3,162,268,789.66/52,189.64
  6. Step 6: Final answer
    x = 60,591.89

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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.