Home / 57,849.41-86,765.34-19,904.45

Finding the Fourth Proportional to 57,849.41, 86,765.34 and 19,904.45

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Solution

The fourth proportional to 57,849.41, 86,765.34 and 19,904.45 is: 29,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,849.41 : 86,765.34 = 19,904.45 : x
  2. Step 2: Convert to fraction form
    57,849.41/86,765.34 = 19,904.45/x
  3. Step 3: Cross multiply
    57,849.41x = 86,765.34 × 19,904.45
  4. Step 4: Simplify right side
    57,849.41x = 1,727,015,937.94
  5. Step 5: Solve for x
    x = 1,727,015,937.94/57,849.41
  6. Step 6: Final answer
    x = 29,853.65

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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.