Home / 74,932.65-103,409.46-40,944.36

Finding the Fourth Proportional to 74,932.65, 103,409.46 and 40,944.36

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Solution

The fourth proportional to 74,932.65, 103,409.46 and 40,944.36 is: 56,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.65 : 103,409.46 = 40,944.36 : x
  2. Step 2: Convert to fraction form
    74,932.65/103,409.46 = 40,944.36/x
  3. Step 3: Cross multiply
    74,932.65x = 103,409.46 × 40,944.36
  4. Step 4: Simplify right side
    74,932.65x = 4,234,034,157.65
  5. Step 5: Solve for x
    x = 4,234,034,157.65/74,932.65
  6. Step 6: Final answer
    x = 56,504.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.