Home / 74,062.40-102,189.84-43,832.64

Finding the Fourth Proportional to 74,062.40, 102,189.84 and 43,832.64

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Solution

The fourth proportional to 74,062.40, 102,189.84 and 43,832.64 is: 60,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.40 : 102,189.84 = 43,832.64 : x
  2. Step 2: Convert to fraction form
    74,062.40/102,189.84 = 43,832.64/x
  3. Step 3: Cross multiply
    74,062.40x = 102,189.84 × 43,832.64
  4. Step 4: Simplify right side
    74,062.40x = 4,479,250,468.38
  5. Step 5: Solve for x
    x = 4,479,250,468.38/74,062.40
  6. Step 6: Final answer
    x = 60,479.41

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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.