Home / 57,345.27-86,017.91-17,905.76

Finding the Fourth Proportional to 57,345.27, 86,017.91 and 17,905.76

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Solution

The fourth proportional to 57,345.27, 86,017.91 and 17,905.76 is: 26,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.27 : 86,017.91 = 17,905.76 : x
  2. Step 2: Convert to fraction form
    57,345.27/86,017.91 = 17,905.76/x
  3. Step 3: Cross multiply
    57,345.27x = 86,017.91 × 17,905.76
  4. Step 4: Simplify right side
    57,345.27x = 1,540,215,532.54
  5. Step 5: Solve for x
    x = 1,540,215,532.54/57,345.27
  6. Step 6: Final answer
    x = 26,858.63

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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.