Home / 57,273.42-85,889.52-19,823.32

Finding the Fourth Proportional to 57,273.42, 85,889.52 and 19,823.32

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Solution

The fourth proportional to 57,273.42, 85,889.52 and 19,823.32 is: 29,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.42 : 85,889.52 = 19,823.32 : x
  2. Step 2: Convert to fraction form
    57,273.42/85,889.52 = 19,823.32/x
  3. Step 3: Cross multiply
    57,273.42x = 85,889.52 × 19,823.32
  4. Step 4: Simplify right side
    57,273.42x = 1,702,615,439.61
  5. Step 5: Solve for x
    x = 1,702,615,439.61/57,273.42
  6. Step 6: Final answer
    x = 29,727.85

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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.