Home / 77,764.53-116,665.29-25,174

Finding the Fourth Proportional to 77,764.53, 116,665.29 and 25,174

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Solution

The fourth proportional to 77,764.53, 116,665.29 and 25,174 is: 37,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,764.53 : 116,665.29 = 25,174 : x
  2. Step 2: Convert to fraction form
    77,764.53/116,665.29 = 25,174/x
  3. Step 3: Cross multiply
    77,764.53x = 116,665.29 × 25,174
  4. Step 4: Simplify right side
    77,764.53x = 2,936,932,010.46
  5. Step 5: Solve for x
    x = 2,936,932,010.46/77,764.53
  6. Step 6: Final answer
    x = 37,766.99

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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.