Home / 76,288.86-114,450.14-25,690.37

Finding the Fourth Proportional to 76,288.86, 114,450.14 and 25,690.37

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Solution

The fourth proportional to 76,288.86, 114,450.14 and 25,690.37 is: 38,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288.86 : 114,450.14 = 25,690.37 : x
  2. Step 2: Convert to fraction form
    76,288.86/114,450.14 = 25,690.37/x
  3. Step 3: Cross multiply
    76,288.86x = 114,450.14 × 25,690.37
  4. Step 4: Simplify right side
    76,288.86x = 2,940,266,443.15
  5. Step 5: Solve for x
    x = 2,940,266,443.15/76,288.86
  6. Step 6: Final answer
    x = 38,541.23

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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.