Home / 114,401.40-171,699.30-51,318.60

Finding the Fourth Proportional to 114,401.40, 171,699.30 and 51,318.60

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Solution

The fourth proportional to 114,401.40, 171,699.30 and 51,318.60 is: 77,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,401.40 : 171,699.30 = 51,318.60 : x
  2. Step 2: Convert to fraction form
    114,401.40/171,699.30 = 51,318.60/x
  3. Step 3: Cross multiply
    114,401.40x = 171,699.30 × 51,318.60
  4. Step 4: Simplify right side
    114,401.40x = 8,811,367,696.98
  5. Step 5: Solve for x
    x = 8,811,367,696.98/114,401.40
  6. Step 6: Final answer
    x = 77,021.50

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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.