Home / 114,172.34-171,299.05-50,986.72

Finding the Fourth Proportional to 114,172.34, 171,299.05 and 50,986.72

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Solution

The fourth proportional to 114,172.34, 171,299.05 and 50,986.72 is: 76,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,172.34 : 171,299.05 = 50,986.72 : x
  2. Step 2: Convert to fraction form
    114,172.34/171,299.05 = 50,986.72/x
  3. Step 3: Cross multiply
    114,172.34x = 171,299.05 × 50,986.72
  4. Step 4: Simplify right side
    114,172.34x = 8,733,976,108.52
  5. Step 5: Solve for x
    x = 8,733,976,108.52/114,172.34
  6. Step 6: Final answer
    x = 76,498.18

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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.