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Finding the Fourth Proportional to 57,804.54, 86,488.78 and 34,124.96

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Solution

The fourth proportional to 57,804.54, 86,488.78 and 34,124.96 is: 51,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.54 : 86,488.78 = 34,124.96 : x
  2. Step 2: Convert to fraction form
    57,804.54/86,488.78 = 34,124.96/x
  3. Step 3: Cross multiply
    57,804.54x = 86,488.78 × 34,124.96
  4. Step 4: Simplify right side
    57,804.54x = 2,951,426,352.84
  5. Step 5: Solve for x
    x = 2,951,426,352.84/57,804.54
  6. Step 6: Final answer
    x = 51,058.73

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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.