Home / 57,848.64-86,772.96-18,405.84

Finding the Fourth Proportional to 57,848.64, 86,772.96 and 18,405.84

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Solution

The fourth proportional to 57,848.64, 86,772.96 and 18,405.84 is: 27,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.64 : 86,772.96 = 18,405.84 : x
  2. Step 2: Convert to fraction form
    57,848.64/86,772.96 = 18,405.84/x
  3. Step 3: Cross multiply
    57,848.64x = 86,772.96 × 18,405.84
  4. Step 4: Simplify right side
    57,848.64x = 1,597,129,218.09
  5. Step 5: Solve for x
    x = 1,597,129,218.09/57,848.64
  6. Step 6: Final answer
    x = 27,608.76

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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.