Home / 74,527.75-102,849.92-40,993.75

Finding the Fourth Proportional to 74,527.75, 102,849.92 and 40,993.75

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Solution

The fourth proportional to 74,527.75, 102,849.92 and 40,993.75 is: 56,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.75 : 102,849.92 = 40,993.75 : x
  2. Step 2: Convert to fraction form
    74,527.75/102,849.92 = 40,993.75/x
  3. Step 3: Cross multiply
    74,527.75x = 102,849.92 × 40,993.75
  4. Step 4: Simplify right side
    74,527.75x = 4,216,203,908
  5. Step 5: Solve for x
    x = 4,216,203,908/74,527.75
  6. Step 6: Final answer
    x = 56,572.27

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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.