Home / 114,132.12-171,105.42-47,621.79

Finding the Fourth Proportional to 114,132.12, 171,105.42 and 47,621.79

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Solution

The fourth proportional to 114,132.12, 171,105.42 and 47,621.79 is: 71,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,132.12 : 171,105.42 = 47,621.79 : x
  2. Step 2: Convert to fraction form
    114,132.12/171,105.42 = 47,621.79/x
  3. Step 3: Cross multiply
    114,132.12x = 171,105.42 × 47,621.79
  4. Step 4: Simplify right side
    114,132.12x = 8,148,346,379.10
  5. Step 5: Solve for x
    x = 8,148,346,379.10/114,132.12
  6. Step 6: Final answer
    x = 71,393.98

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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.