Home / 57,848.91-86,789.76-18,409.11

Finding the Fourth Proportional to 57,848.91, 86,789.76 and 18,409.11

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Solution

The fourth proportional to 57,848.91, 86,789.76 and 18,409.11 is: 27,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.91 : 86,789.76 = 18,409.11 : x
  2. Step 2: Convert to fraction form
    57,848.91/86,789.76 = 18,409.11/x
  3. Step 3: Cross multiply
    57,848.91x = 86,789.76 × 18,409.11
  4. Step 4: Simplify right side
    57,848.91x = 1,597,722,238.71
  5. Step 5: Solve for x
    x = 1,597,722,238.71/57,848.91
  6. Step 6: Final answer
    x = 27,618.88

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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.