Home / 57,566.58-86,342.31-18,123.90

Finding the Fourth Proportional to 57,566.58, 86,342.31 and 18,123.90

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Solution

The fourth proportional to 57,566.58, 86,342.31 and 18,123.90 is: 27,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,566.58 : 86,342.31 = 18,123.90 : x
  2. Step 2: Convert to fraction form
    57,566.58/86,342.31 = 18,123.90/x
  3. Step 3: Cross multiply
    57,566.58x = 86,342.31 × 18,123.90
  4. Step 4: Simplify right side
    57,566.58x = 1,564,859,392.21
  5. Step 5: Solve for x
    x = 1,564,859,392.21/57,566.58
  6. Step 6: Final answer
    x = 27,183.47

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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.