Home / 57,401.08-85,849.82-51,120.28

Finding the Fourth Proportional to 57,401.08, 85,849.82 and 51,120.28

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Solution

The fourth proportional to 57,401.08, 85,849.82 and 51,120.28 is: 76,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,401.08 : 85,849.82 = 51,120.28 : x
  2. Step 2: Convert to fraction form
    57,401.08/85,849.82 = 51,120.28/x
  3. Step 3: Cross multiply
    57,401.08x = 85,849.82 × 51,120.28
  4. Step 4: Simplify right side
    57,401.08x = 4,388,666,836.35
  5. Step 5: Solve for x
    x = 4,388,666,836.35/57,401.08
  6. Step 6: Final answer
    x = 76,456.17

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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.