Home / 43,135.56-64,672.22-13,537.48

Finding the Fourth Proportional to 43,135.56, 64,672.22 and 13,537.48

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Solution

The fourth proportional to 43,135.56, 64,672.22 and 13,537.48 is: 20,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.56 : 64,672.22 = 13,537.48 : x
  2. Step 2: Convert to fraction form
    43,135.56/64,672.22 = 13,537.48/x
  3. Step 3: Cross multiply
    43,135.56x = 64,672.22 × 13,537.48
  4. Step 4: Simplify right side
    43,135.56x = 875,498,884.81
  5. Step 5: Solve for x
    x = 875,498,884.81/43,135.56
  6. Step 6: Final answer
    x = 20,296.45

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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.