Home / 76,338.75-114,474.70-31,329.24

Finding the Fourth Proportional to 76,338.75, 114,474.70 and 31,329.24

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Solution

The fourth proportional to 76,338.75, 114,474.70 and 31,329.24 is: 46,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,338.75 : 114,474.70 = 31,329.24 : x
  2. Step 2: Convert to fraction form
    76,338.75/114,474.70 = 31,329.24/x
  3. Step 3: Cross multiply
    76,338.75x = 114,474.70 × 31,329.24
  4. Step 4: Simplify right side
    76,338.75x = 3,586,405,350.23
  5. Step 5: Solve for x
    x = 3,586,405,350.23/76,338.75
  6. Step 6: Final answer
    x = 46,980.14

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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.