Home / 42,824.88-64,147.68-27,164.88

Finding the Fourth Proportional to 42,824.88, 64,147.68 and 27,164.88

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Solution

The fourth proportional to 42,824.88, 64,147.68 and 27,164.88 is: 40,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.88 : 64,147.68 = 27,164.88 : x
  2. Step 2: Convert to fraction form
    42,824.88/64,147.68 = 27,164.88/x
  3. Step 3: Cross multiply
    42,824.88x = 64,147.68 × 27,164.88
  4. Step 4: Simplify right side
    42,824.88x = 1,742,564,029.48
  5. Step 5: Solve for x
    x = 1,742,564,029.48/42,824.88
  6. Step 6: Final answer
    x = 40,690.46

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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.