Home / 42,733.44-64,097.28-18,109.44

Finding the Fourth Proportional to 42,733.44, 64,097.28 and 18,109.44

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Solution

The fourth proportional to 42,733.44, 64,097.28 and 18,109.44 is: 27,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.44 : 64,097.28 = 18,109.44 : x
  2. Step 2: Convert to fraction form
    42,733.44/64,097.28 = 18,109.44/x
  3. Step 3: Cross multiply
    42,733.44x = 64,097.28 × 18,109.44
  4. Step 4: Simplify right side
    42,733.44x = 1,160,765,846.32
  5. Step 5: Solve for x
    x = 1,160,765,846.32/42,733.44
  6. Step 6: Final answer
    x = 27,162.94

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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.