Home / 74,536.26-102,858.37-42,723.90

Finding the Fourth Proportional to 74,536.26, 102,858.37 and 42,723.90

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Solution

The fourth proportional to 74,536.26, 102,858.37 and 42,723.90 is: 58,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.26 : 102,858.37 = 42,723.90 : x
  2. Step 2: Convert to fraction form
    74,536.26/102,858.37 = 42,723.90/x
  3. Step 3: Cross multiply
    74,536.26x = 102,858.37 × 42,723.90
  4. Step 4: Simplify right side
    74,536.26x = 4,394,510,714.04
  5. Step 5: Solve for x
    x = 4,394,510,714.04/74,536.26
  6. Step 6: Final answer
    x = 58,958.03

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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.