Home / 57,243.92-85,848.39-39,588.05

Finding the Fourth Proportional to 57,243.92, 85,848.39 and 39,588.05

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Solution

The fourth proportional to 57,243.92, 85,848.39 and 39,588.05 is: 59,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.92 : 85,848.39 = 39,588.05 : x
  2. Step 2: Convert to fraction form
    57,243.92/85,848.39 = 39,588.05/x
  3. Step 3: Cross multiply
    57,243.92x = 85,848.39 × 39,588.05
  4. Step 4: Simplify right side
    57,243.92x = 3,398,570,087.46
  5. Step 5: Solve for x
    x = 3,398,570,087.46/57,243.92
  6. Step 6: Final answer
    x = 59,369.97

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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.