Home / 114,527.20-171,795.12-31,427.68

Finding the Fourth Proportional to 114,527.20, 171,795.12 and 31,427.68

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Solution

The fourth proportional to 114,527.20, 171,795.12 and 31,427.68 is: 47,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,527.20 : 171,795.12 = 31,427.68 : x
  2. Step 2: Convert to fraction form
    114,527.20/171,795.12 = 31,427.68/x
  3. Step 3: Cross multiply
    114,527.20x = 171,795.12 × 31,427.68
  4. Step 4: Simplify right side
    114,527.20x = 5,399,122,056.92
  5. Step 5: Solve for x
    x = 5,399,122,056.92/114,527.20
  6. Step 6: Final answer
    x = 47,142.71

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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.